};
enum {
- TARGET_STRING,
- TARGET_TEXT,
- TARGET_COMPOUND_TEXT,
- TARGET_UTF8_STRING,
- TARGET_TEXT_BUFFER_CONTENTS
+ TARGET_STRING,
+ TARGET_TEXT,
+ TARGET_COMPOUND_TEXT,
+ TARGET_UTF8_STRING,
+ TARGET_TEXT_BUFFER_CONTENTS
};
static const GtkTargetEntry targets[] = {
gdouble vadj;
} DragInfo;
+typedef enum {
+ SCROLL_TO_KEEP_POSITION,
+ SCROLL_TO_CURRENT_PAGE,
+ SCROLL_TO_CENTER
+} PendingScroll;
+
struct _EvView {
GtkWidget parent_instance;
EvDocument *document;
- GdkWindow *bin_window;
-
char *status;
char *find_status;
gboolean fullscreen;
gboolean presentation;
EvSizingMode sizing_mode;
+
+ PendingScroll pending_scroll;
};
struct _EvViewClass {
void (*scroll_view) (EvView *view,
GtkScrollType scroll,
gboolean horizontal);
-
};
-
-static void ev_view_set_scroll_adjustments (EvView *view,
- GtkAdjustment *hadjustment,
- GtkAdjustment *vadjustment);
-static void get_bounding_box_size (EvView *view,
- int *max_width,
- int *max_height);
-static void view_update_range_and_current_page (EvView *view);
-
-static void page_changed_cb (EvPageCache *page_cache,
- int new_page,
- EvView *view);
-
-
+/*** Scrolling ***/
+static void view_update_adjustments (EvView *view);
+static void ev_view_set_scroll_adjustments (EvView *view,
+ GtkAdjustment *hadjustment,
+ GtkAdjustment *vadjustment);
+static void view_update_range_and_current_page (EvView *view);
+static void view_scroll_to_page (EvView *view,
+ gint new_page);
+static void set_scroll_adjustment (EvView *view,
+ GtkOrientation orientation,
+ GtkAdjustment *adjustment);
+static void ev_view_set_scroll_adjustments (EvView *view,
+ GtkAdjustment *hadjustment,
+ GtkAdjustment *vadjustment);
+static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
+ guint keyval,
+ GtkScrollType scroll,
+ gboolean horizontal);
+static void ev_view_scroll_view (EvView *view,
+ GtkScrollType scroll,
+ gboolean horizontal);
+static void ensure_rectangle_is_visible (EvView *view,
+ GdkRectangle *rect);
+
+/*** Geometry computations ***/
+static void compute_border (EvView *view,
+ int width,
+ int height,
+ GtkBorder *border);
+static gboolean get_page_extents (EvView *view,
+ gint page,
+ GdkRectangle *page_area,
+ GtkBorder *border);
+static void view_rect_to_doc_rect (EvView *view,
+ GdkRectangle *view_rect,
+ GdkRectangle *page_area,
+ EvRectangle *doc_rect);
+static void doc_rect_to_view_rect (EvView *view,
+ int page,
+ EvRectangle *doc_rect,
+ GdkRectangle *view_rect);
+static void get_bounding_box_size (EvView *view,
+ int *max_width,
+ int *max_height);
+static void find_page_at_location (EvView *view,
+ gdouble x,
+ gdouble y,
+ gint *page,
+ gint *x_offset,
+ gint *y_offset);
+
+/*** Hyperrefs ***/
+static EvLink* get_link_at_location (EvView *view,
+ gdouble x,
+ gdouble y);
+static void go_to_link (EvView *view,
+ EvLink *link);
+static char* status_message_from_link (EvView *view,
+ EvLink *link);
+
+/*** GtkWidget implementation ***/
+static void ev_view_size_request_continuous_dual_page (EvView *view,
+ GtkRequisition *requisition);
+static void ev_view_size_request_continuous (EvView *view,
+ GtkRequisition *requisition);
+static void ev_view_size_request_dual_page (EvView *view,
+ GtkRequisition *requisition);
+static void ev_view_size_request_single_page (EvView *view,
+ GtkRequisition *requisition);
+static void ev_view_size_request (GtkWidget *widget,
+ GtkRequisition *requisition);
+static void ev_view_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+static void ev_view_realize (GtkWidget *widget);
+static void ev_view_unrealize (GtkWidget *widget);
+static gboolean ev_view_scroll_event (GtkWidget *widget,
+ GdkEventScroll *event);
+static gboolean ev_view_expose_event (GtkWidget *widget,
+ GdkEventExpose *event);
+static gboolean ev_view_button_press_event (GtkWidget *widget,
+ GdkEventButton *event);
+static gboolean ev_view_motion_notify_event (GtkWidget *widget,
+ GdkEventMotion *event);
+static gboolean ev_view_button_release_event (GtkWidget *widget,
+ GdkEventButton *event);
+
+/*** Drawing ***/
+static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
+static void draw_rubberband (GtkWidget *widget,
+ GdkWindow *window,
+ const GdkRectangle *rect,
+ guchar alpha);
+static void highlight_find_results (EvView *view,
+ int page);
+static void draw_one_page (EvView *view,
+ gint page,
+ GdkRectangle *page_area,
+ GtkBorder *border,
+ GdkRectangle *expose_area);
+
+/*** Callbacks ***/
+static void find_changed_cb (EvDocument *document,
+ int page,
+ EvView *view);
+static void job_finished_cb (EvPixbufCache *pixbuf_cache,
+ EvView *view);
+static void page_changed_cb (EvPageCache *page_cache,
+ int new_page,
+ EvView *view);
+static void on_adjustment_value_changed (GtkAdjustment *adjustment,
+ EvView *view);
+
+/*** GObject ***/
+static void ev_view_finalize (GObject *object);
+static void ev_view_destroy (GtkObject *object);
+static void ev_view_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void ev_view_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void ev_view_class_init (EvViewClass *class);
+static void ev_view_init (EvView *view);
+
+/*** Zoom and sizing ***/
+static double zoom_for_size_fit_width (int doc_width,
+ int doc_height,
+ int target_width,
+ int target_height);
+static double zoom_for_size_best_fit (int doc_width,
+ int doc_height,
+ int target_width,
+ int target_height);
+static void ev_view_zoom_for_size_presentation (EvView *view,
+ int width,
+ int height);
+static void ev_view_zoom_for_size_continuous_dual_page (EvView *view,
+ int width,
+ int height);
+static void ev_view_zoom_for_size_continuous (EvView *view,
+ int width,
+ int height);
+static void ev_view_zoom_for_size_dual_page (EvView *view,
+ int width,
+ int height);
+static void ev_view_zoom_for_size_single_page (EvView *view,
+ int width,
+ int height);
+static void ev_view_set_zoom_for_size (EvView *view,
+ int width,
+ int height);
+
+/*** Cursors ***/
+static GdkCursor* ev_view_create_invisible_cursor (void);
+static void ev_view_set_cursor (EvView *view,
+ EvViewCursor new_cursor);
+
+/*** Status messages ***/
+static void ev_view_set_status (EvView *view,
+ const char *message);
+static void update_find_status_message (EvView *view);
+static void ev_view_set_find_status (EvView *view,
+ const char *message);
+/*** Find ***/
+static void jump_to_find_result (EvView *view);
+static void jump_to_find_page (EvView *view);
+
+/*** Selection ***/
+static void compute_selections (EvView *view,
+ GdkRectangle *view_rect);
+static void clear_selection (EvView *view);
+static char* get_selected_text (EvView *ev_view);
+static void ev_view_primary_get_cb (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ guint info,
+ gpointer data);
+static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
+ gpointer data);
+static void ev_view_update_primary_selection (EvView *ev_view);
+
+
G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
-/*** Helper functions ***/
-
static void
view_update_adjustments (EvView *view)
{
- int old_x = view->scroll_x;
- int old_y = view->scroll_y;
-
if (view->hadjustment)
view->scroll_x = view->hadjustment->value;
else
view->scroll_y = view->vadjustment->value;
else
view->scroll_y = 0;
-
- if (GTK_WIDGET_REALIZED (view) &&
- (view->scroll_x != old_x || view->scroll_y != old_y)) {
- gdk_window_move (view->bin_window, - view->scroll_x, - view->scroll_y);
- // gdk_window_process_updates (view->bin_window, TRUE);
- }
+
+ gtk_widget_queue_draw (GTK_WIDGET (view));
if (view->document)
view_update_range_and_current_page (view);
{
GtkWidget *widget = GTK_WIDGET (view);
GtkAdjustment *adjustment;
- gboolean value_changed = FALSE;
int requisition;
int allocation;
+ double factor;
+ gint new_value;
+
if (orientation == GTK_ORIENTATION_HORIZONTAL) {
requisition = widget->requisition.width;
allocation = widget->allocation.width;
if (!adjustment)
return;
+
+ factor = 1.0;
+ switch (view->pending_scroll) {
+ case SCROLL_TO_KEEP_POSITION:
+ factor = adjustment->value / adjustment->upper;
+ break;
+ case SCROLL_TO_CURRENT_PAGE:
+ break;
+ case SCROLL_TO_CENTER:
+ factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
+ break;
+ }
adjustment->page_size = allocation;
adjustment->step_increment = allocation * 0.1;
adjustment->lower = 0;
adjustment->upper = MAX (allocation, requisition);
- if (adjustment->value > adjustment->upper - adjustment->page_size) {
- adjustment->value = adjustment->upper - adjustment->page_size;
- value_changed = TRUE;
+ switch (view->pending_scroll) {
+ case SCROLL_TO_KEEP_POSITION:
+ new_value = CLAMP (adjustment->upper * factor, 0, adjustment->upper - adjustment->page_size);
+ gtk_adjustment_set_value (adjustment, new_value);
+ break;
+ case SCROLL_TO_CURRENT_PAGE:
+ if (orientation == GTK_ORIENTATION_VERTICAL) {
+ view_scroll_to_page (view, view->current_page);
+ }
+ break;
+ case SCROLL_TO_CENTER:
+ new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5, 0, adjustment->upper - adjustment->page_size);
+ gtk_adjustment_set_value (adjustment, new_value);
+ break;
}
gtk_adjustment_changed (adjustment);
- if (value_changed)
- gtk_adjustment_value_changed (adjustment);
}
static void
current_page = ev_page_cache_get_current_page (view->page_cache);
if (current_page < view->start_page || current_page > view->end_page) {
- g_signal_handlers_block_by_func (view->page_cache, page_changed_cb, view);
+ view->current_page = view->start_page;
ev_page_cache_set_current_page (view->page_cache, view->start_page);
- g_signal_handlers_unblock_by_func (view->page_cache, page_changed_cb, view);
}
} else {
if (view->dual_page) {
}
static void
-clear_selection (EvView *view)
+view_scroll_to_page (EvView *view, gint new_page)
{
- g_list_foreach (view->selections, (GFunc)g_free, NULL);
- view->selections = NULL;
+ EvPageCache *page_cache = view->page_cache;
+ int old_width, old_height;
+ int new_width, new_height;
+ int max_height, n_rows;
+
+ ev_page_cache_get_size (page_cache,
+ view->current_page,
+ view->scale,
+ &old_width, &old_height);
+
+ ev_page_cache_get_size (page_cache,
+ new_page,
+ view->scale,
+ &new_width, &new_height);
+
+ compute_border (view, new_width, new_height, &(view->border));
+
+ if (new_width != old_width || new_height != old_height)
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+ else
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+
+ if (view->continuous) {
+
+ n_rows = view->dual_page ? new_page / 2 : new_page;
+
+ get_bounding_box_size (view, NULL, &max_height);
+
+ gtk_adjustment_clamp_page(view->vadjustment,
+ (max_height + view->spacing) * n_rows,
+ (max_height + view->spacing) * n_rows +
+ view->vadjustment->page_size);
+ } else {
+ gtk_adjustment_set_value (view->vadjustment,
+ view->vadjustment->lower);
+ }
+
+ view->current_page = new_page;
+ view_update_range_and_current_page (view);
}
-/*** Virtual function implementations ***/
+static void
+set_scroll_adjustment (EvView *view,
+ GtkOrientation orientation,
+ GtkAdjustment *adjustment)
+{
+ GtkAdjustment **to_set;
+
+ if (orientation == GTK_ORIENTATION_HORIZONTAL)
+ to_set = &view->hadjustment;
+ else
+ to_set = &view->vadjustment;
+
+ if (*to_set != adjustment) {
+ if (*to_set) {
+ g_signal_handlers_disconnect_by_func (*to_set,
+ (gpointer) on_adjustment_value_changed,
+ view);
+ g_object_unref (*to_set);
+ }
+
+ *to_set = adjustment;
+ view_set_adjustment_values (view, orientation);
+
+ if (*to_set) {
+ g_object_ref (*to_set);
+ g_signal_connect (*to_set, "value_changed",
+ G_CALLBACK (on_adjustment_value_changed), view);
+ }
+ }
+}
static void
-ev_view_finalize (GObject *object)
+ev_view_set_scroll_adjustments (EvView *view,
+ GtkAdjustment *hadjustment,
+ GtkAdjustment *vadjustment)
{
- EvView *view = EV_VIEW (object);
+ set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
+ set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
- LOG ("Finalize");
+ view_update_adjustments (view);
+}
- g_free (view->status);
- g_free (view->find_status);
+static void
+add_scroll_binding_keypad (GtkBindingSet *binding_set,
+ guint keyval,
+ GtkScrollType scroll,
+ gboolean horizontal)
+{
+ guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
- clear_selection (view);
+ gtk_binding_entry_add_signal (binding_set, keyval, 0,
+ "scroll_view", 2,
+ GTK_TYPE_SCROLL_TYPE, scroll,
+ G_TYPE_BOOLEAN, horizontal);
+ gtk_binding_entry_add_signal (binding_set, keypad_keyval, 0,
+ "scroll_view", 2,
+ GTK_TYPE_SCROLL_TYPE, scroll,
+ G_TYPE_BOOLEAN, horizontal);
+}
- G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
+void
+ev_view_scroll (EvView *view,
+ EvScrollType scroll)
+{
+ GtkAdjustment *adjustment;
+ double value, increment;
+ gboolean first_page = FALSE;
+ gboolean last_page = FALSE;
+
+ /* Assign values for increment and vertical adjustment */
+ adjustment = view->vadjustment;
+ increment = adjustment->page_size * 0.75;
+ value = adjustment->value;
+
+ /* Assign boolean for first and last page */
+ if (view->current_page == 0)
+ first_page = TRUE;
+ if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
+ last_page = TRUE;
+
+ switch (scroll) {
+ case EV_SCROLL_PAGE_BACKWARD:
+ /* Do not jump backwards if at the first page */
+ if (value == (adjustment->lower) && first_page) {
+ /* Do nothing */
+ /* At the top of a page, assign the upper bound limit of previous page */
+ } else if (value == (adjustment->lower)) {
+ value = adjustment->upper - adjustment->page_size;
+ ev_page_cache_set_current_page (view->page_cache, view->current_page - 1);
+ /* Jump to the top */
+ } else {
+ value = MAX (value - increment, adjustment->lower);
+ }
+ break;
+ case EV_SCROLL_PAGE_FORWARD:
+ /* Do not jump forward if at the last page */
+ if (value == (adjustment->upper - adjustment->page_size) && last_page) {
+ /* Do nothing */
+ /* At the bottom of a page, assign the lower bound limit of next page */
+ } else if (value == (adjustment->upper - adjustment->page_size)) {
+ value = 0;
+ ev_page_cache_set_current_page (view->page_cache, view->current_page + 1);
+ /* Jump to the bottom */
+ } else {
+ value = MIN (value + increment, adjustment->upper - adjustment->page_size);
+ }
+ break;
+ default:
+ break;
+ }
+
+ gtk_adjustment_set_value (adjustment, value);
}
static void
-ev_view_destroy (GtkObject *object)
+ev_view_scroll_view (EvView *view,
+ GtkScrollType scroll,
+ gboolean horizontal)
{
- EvView *view = EV_VIEW (object);
+ if (scroll == GTK_SCROLL_PAGE_BACKWARD) {
+ ev_page_cache_prev_page (view->page_cache);
+ } else if (scroll == GTK_SCROLL_PAGE_FORWARD) {
+ ev_page_cache_next_page (view->page_cache);
+ } else {
+ GtkAdjustment *adjustment;
+ double value;
- if (view->document) {
- g_object_unref (view->document);
- view->document = NULL;
+ if (horizontal) {
+ adjustment = view->hadjustment;
+ } else {
+ adjustment = view->vadjustment;
+ }
+
+ value = adjustment->value;
+
+ switch (scroll) {
+ case GTK_SCROLL_STEP_BACKWARD:
+ value -= adjustment->step_increment;
+ break;
+ case GTK_SCROLL_STEP_FORWARD:
+ value += adjustment->step_increment;
+ break;
+ default:
+ break;
+ }
+
+ value = CLAMP (value, adjustment->lower,
+ adjustment->upper - adjustment->page_size);
+
+ gtk_adjustment_set_value (adjustment, value);
}
- if (view->pixbuf_cache) {
- g_object_unref (view->pixbuf_cache);
- view->pixbuf_cache = NULL;
+}
+
+#define MARGIN 5
+
+static void
+ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
+{
+ GtkWidget *widget = GTK_WIDGET (view);
+ GtkAdjustment *adjustment;
+ int value;
+
+ adjustment = view->vadjustment;
+
+ if (rect->y < adjustment->value) {
+ value = MAX (adjustment->lower, rect->y - MARGIN);
+ gtk_adjustment_set_value (view->vadjustment, value);
+ } else if (rect->y + rect->height >
+ adjustment->value + widget->allocation.height) {
+ value = MIN (adjustment->upper, rect->y + rect->height -
+ widget->allocation.height + MARGIN);
+ gtk_adjustment_set_value (view->vadjustment, value);
}
- ev_view_set_scroll_adjustments (view, NULL, NULL);
- GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
+ adjustment = view->hadjustment;
+
+ if (rect->x < adjustment->value) {
+ value = MAX (adjustment->lower, rect->x - MARGIN);
+ gtk_adjustment_set_value (view->hadjustment, value);
+ } else if (rect->x + rect->height >
+ adjustment->value + widget->allocation.width) {
+ value = MIN (adjustment->upper, rect->x + rect->width -
+ widget->allocation.width + MARGIN);
+ gtk_adjustment_set_value (view->hadjustment, value);
+ }
}
+/*** Geometry computations ***/
+
static void
compute_border (EvView *view, int width, int height, GtkBorder *border)
{
doc_rect->y2 = doc_rect->y1 + ceil (view_rect->height / view->scale);
}
-static void
-compute_selections (EvView *view, GdkRectangle *view_rect)
-{
- int n_pages, i;
-
- clear_selection (view);
-
- n_pages = ev_page_cache_get_n_pages (view->page_cache);
- for (i = 0; i < n_pages; i++) {
- GdkRectangle page_area;
- GtkBorder border;
-
- if (get_page_extents (view, i, &page_area, &border)) {
- GdkRectangle overlap;
-
- if (gdk_rectangle_intersect (&page_area, view_rect, &overlap)) {
- EvViewSelection *selection;
-
- selection = g_new0 (EvViewSelection, 1);
- selection->page = i;
- view_rect_to_doc_rect (view, &overlap, &page_area,
- &(selection->rect));
-
- view->selections = g_list_append
- (view->selections, selection);
- }
- }
- }
-}
-
static void
doc_rect_to_view_rect (EvView *view,
int page,
}
}
+static void
+find_page_at_location (EvView *view,
+ gdouble x,
+ gdouble y,
+ gint *page,
+ gint *x_offset,
+ gint *y_offset)
+{
+ int i;
+
+ if (view->document == NULL)
+ return;
+
+ g_assert (page);
+ g_assert (x_offset);
+ g_assert (y_offset);
+
+ for (i = view->start_page; i <= view->end_page; i++) {
+ GdkRectangle page_area;
+ GtkBorder border;
+
+ if (! get_page_extents (view, i, &page_area, &border))
+ continue;
+
+ if ((x >= page_area.x + border.left) &&
+ (x < page_area.x + page_area.width - border.right) &&
+ (y >= page_area.y + border.top) &&
+ (y < page_area.y + page_area.height - border.bottom)) {
+ *page = i;
+ *x_offset = x - (page_area.x + border.left);
+ *y_offset = y - (page_area.y + border.top);
+ return;
+ }
+ }
+
+ *page = -1;
+}
+
+/*** Hyperref ***/
+static EvLink *
+get_link_at_location (EvView *view,
+ gdouble x,
+ gdouble y)
+{
+ gint page = -1;
+ gint x_offset = 0, y_offset = 0;
+ GList *link_mapping;
+
+ find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
+
+ if (page == -1)
+ return NULL;
+
+ link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
+
+ if (link_mapping)
+ return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
+ else
+ return NULL;
+}
+
+/* FIXME: standardize this sometime */
+static void
+go_to_link (EvView *view, EvLink *link)
+{
+ EvLinkType type;
+ const char *uri;
+ int page;
+
+ type = ev_link_get_link_type (link);
+
+ switch (type) {
+ case EV_LINK_TYPE_TITLE:
+ break;
+ case EV_LINK_TYPE_PAGE:
+ page = ev_link_get_page (link);
+ ev_page_cache_set_current_page (view->page_cache, page);
+ break;
+ case EV_LINK_TYPE_EXTERNAL_URI:
+ uri = ev_link_get_uri (link);
+ gnome_vfs_url_show (uri);
+ break;
+ }
+}
+
+static char *
+status_message_from_link (EvView *view, EvLink *link)
+{
+ EvLinkType type;
+ char *msg = NULL;
+ char *page_label;
+
+ type = ev_link_get_link_type (link);
+
+ switch (type) {
+ case EV_LINK_TYPE_TITLE:
+ if (ev_link_get_title (link))
+ msg = g_strdup (ev_link_get_title (link));
+ break;
+ case EV_LINK_TYPE_PAGE:
+ page_label = ev_page_cache_get_page_label (view->page_cache, ev_link_get_page (link));
+ msg = g_strdup_printf (_("Go to page %s"), page_label);
+ g_free (page_label);
+ break;
+ case EV_LINK_TYPE_EXTERNAL_URI:
+ msg = g_strdup (ev_link_get_uri (link));
+ break;
+ default:
+ break;
+ }
+
+ return msg;
+}
+
+
+/*** GtkWidget implementation ***/
static void
-ev_view_size_request_continuous_and_dual_page (EvView *view,
+ev_view_size_request_continuous_dual_page (EvView *view,
GtkRequisition *requisition)
{
int max_width, max_height;
}
if (view->continuous && view->dual_page)
- ev_view_size_request_continuous_and_dual_page (view, requisition);
+ ev_view_size_request_continuous_dual_page (view, requisition);
else if (view->continuous)
ev_view_size_request_continuous (view, requisition);
else if (view->dual_page)
GtkAllocation *allocation)
{
EvView *view = EV_VIEW (widget);
+
+ if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
+ view->sizing_mode == EV_SIZING_BEST_FIT) {
+
+ ev_view_set_zoom_for_size (view, allocation->width, allocation->height);
+ ev_view_size_request (widget, &widget->requisition);
+ }
- GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
- if (GTK_WIDGET_REALIZED (widget)) {
- gdk_window_resize (view->bin_window,
- MAX (widget->allocation.width, widget->requisition.width),
- MAX (widget->allocation.height, widget->requisition.height));
- }
+ view->pending_scroll = SCROLL_TO_KEEP_POSITION;
if (view->document)
- view_update_range_and_current_page (view);
+ view_update_range_and_current_page (view);
+
+ GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
}
static void
attributes.y = widget->allocation.y;
attributes.width = widget->allocation.width;
attributes.height = widget->allocation.height;
- attributes.event_mask = 0;
-
- widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
- &attributes,
- GDK_WA_X | GDK_WA_Y |
- GDK_WA_COLORMAP |
- GDK_WA_VISUAL);
- gdk_window_set_user_data (widget->window, widget);
- widget->style = gtk_style_attach (widget->style, widget->window);
- gdk_window_set_background (widget->window, &widget->style->mid[widget->state]);
-
- attributes.x = 0;
- attributes.y = 0;
- attributes.width = MAX (widget->allocation.width, widget->requisition.width);
- attributes.height = MAX (widget->allocation.height, widget->requisition.height);
attributes.event_mask = GDK_EXPOSURE_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_POINTER_MOTION_MASK |
GDK_LEAVE_NOTIFY_MASK;
- view->bin_window = gdk_window_new (widget->window,
- &attributes,
- GDK_WA_X | GDK_WA_Y |
- GDK_WA_COLORMAP |
- GDK_WA_VISUAL);
- gdk_window_set_user_data (view->bin_window, widget);
- gdk_window_show (view->bin_window);
+ widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
+ &attributes,
+ GDK_WA_X | GDK_WA_Y |
+ GDK_WA_COLORMAP |
+ GDK_WA_VISUAL);
+ gdk_window_set_user_data (widget->window, widget);
+ widget->style = gtk_style_attach (widget->style, widget->window);
- widget->style = gtk_style_attach (widget->style, view->bin_window);
if (view->presentation)
- gdk_window_set_background (view->bin_window, &widget->style->black);
+ gdk_window_set_background (widget->window, &widget->style->black);
else
- gdk_window_set_background (view->bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
+ gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
if (view->document) {
/* We can't get page size without a target, so we have to
static void
ev_view_unrealize (GtkWidget *widget)
{
- EvView *view = EV_VIEW (widget);
-
- gdk_window_set_user_data (view->bin_window, NULL);
- gdk_window_destroy (view->bin_window);
- view->bin_window = NULL;
-
GTK_WIDGET_CLASS (ev_view_parent_class)->unrealize (widget);
}
return FALSE;
}
-static guint32
-ev_gdk_color_to_rgb (const GdkColor *color)
+static gboolean
+ev_view_expose_event (GtkWidget *widget,
+ GdkEventExpose *event)
{
- guint32 result;
- result = (0xff0000 | (color->red & 0xff00));
- result <<= 8;
- result |= ((color->green & 0xff00) | (color->blue >> 8));
- return result;
-}
+ EvView *view = EV_VIEW (widget);
+ GdkRectangle rubberband;
+ GList *l;
+ int i;
-static void
-draw_rubberband (GtkWidget *widget, GdkWindow *window,
- const GdkRectangle *rect, guchar alpha)
-{
- GdkGC *gc;
- GdkPixbuf *pixbuf;
- GdkColor *fill_color_gdk;
- guint fill_color;
+ if (view->document == NULL)
+ return FALSE;
- fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
- fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
+ for (i = view->start_page; i <= view->end_page; i++) {
+ GdkRectangle page_area;
+ GtkBorder border;
- pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
- rect->width, rect->height);
- gdk_pixbuf_fill (pixbuf, fill_color);
+ if (!get_page_extents (view, i, &page_area, &border))
+ continue;
+
+ page_area.x -= view->scroll_x;
+ page_area.y -= view->scroll_y;
+
+ draw_one_page (view, i, &page_area, &border, &(event->area));
- gdk_draw_pixbuf (window, NULL, pixbuf,
- 0, 0,
- rect->x, rect->y,
- rect->width, rect->height,
- GDK_RGB_DITHER_NONE,
- 0, 0);
+ if (EV_IS_DOCUMENT_FIND (view->document)) {
+ highlight_find_results (view, i);
+ }
+ }
- g_object_unref (pixbuf);
+ for (l = view->selections; l != NULL; l = l->next) {
+ EvViewSelection *selection = (EvViewSelection *)l->data;
- gc = gdk_gc_new (window);
- gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
- gdk_draw_rectangle (window, gc, FALSE,
- rect->x, rect->y,
- rect->width - 1,
- rect->height - 1);
- g_object_unref (gc);
+ doc_rect_to_view_rect (view, selection->page,
+ &selection->rect, &rubberband);
+ if (rubberband.width > 0 && rubberband.height > 0) {
+ draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
+ &rubberband, 0x40);
+ }
+ }
- gdk_color_free (fill_color_gdk);
+ return FALSE;
}
-
-static void
-highlight_find_results (EvView *view, int page)
+static gboolean
+ev_view_button_press_event (GtkWidget *widget,
+ GdkEventButton *event)
{
- EvDocumentFind *find;
- int i, results = 0;
-
- g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
+ EvView *view = EV_VIEW (widget);
- find = EV_DOCUMENT_FIND (view->document);
+ if (!GTK_WIDGET_HAS_FOCUS (widget)) {
+ gtk_widget_grab_focus (widget);
+ }
- results = ev_document_find_get_n_results (find, page);
+ view->pressed_button = event->button;
- for (i = 0; i < results; i++) {
- EvRectangle rectangle;
- GdkRectangle view_rectangle;
- guchar alpha;
+ switch (event->button) {
+ case 1:
+ if (view->selections) {
+ clear_selection (view);
+ gtk_widget_queue_draw (widget);
+ }
- if (i == view->find_result && page == view->find_page) {
- alpha = 0x90;
- } else {
- alpha = 0x20;
- }
-
- ev_document_find_get_result (find, page,
- i, &rectangle);
- doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
- draw_rubberband (GTK_WIDGET (view), view->bin_window,
- &view_rectangle, alpha);
- }
-}
-
-static void
-draw_one_page (EvView *view,
- gint page,
- GdkRectangle *page_area,
- GtkBorder *border,
- GdkRectangle *expose_area)
-{
- gint width, height;
- GdkPixbuf *scaled_image;
- GdkPixbuf *current_pixbuf;
- GdkRectangle overlap;
- GdkRectangle real_page_area;
-
- g_assert (view->document);
-
- if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
- return;
-
- ev_page_cache_get_size (view->page_cache,
- page, view->scale,
- &width, &height);
-
- /* Render the document itself */
- real_page_area = *page_area;
-
- real_page_area.x += border->left;
- real_page_area.y += border->top;
- real_page_area.width -= (border->left + border->right);
- real_page_area.height -= (border->top + border->bottom);
-
- if (! gdk_rectangle_intersect (&real_page_area, expose_area, &overlap))
- return;
-
- ev_document_misc_paint_one_page (view->bin_window,
- GTK_WIDGET (view),
- page_area, border);
-
- current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
-
- if (current_pixbuf == NULL)
- scaled_image = NULL;
- else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
- height == gdk_pixbuf_get_height (current_pixbuf))
- scaled_image = g_object_ref (current_pixbuf);
- else
- scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
- width, height,
- GDK_INTERP_NEAREST);
-
- if (scaled_image) {
- gdk_draw_pixbuf (view->bin_window,
- GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
- scaled_image,
- overlap.x - real_page_area.x,
- overlap.y - real_page_area.y,
- overlap.x, overlap.y,
- overlap.width, overlap.height,
- GDK_RGB_DITHER_NORMAL,
- 0, 0);
- g_object_unref (scaled_image);
- }
-}
-
-static void
-ev_view_bin_expose (EvView *view,
- GdkEventExpose *event)
-{
- GdkRectangle rubberband;
- GList *l;
- int i;
-
- if (view->document == NULL)
- return;
-
- for (i = view->start_page; i <= view->end_page; i++) {
- GdkRectangle page_area;
- GtkBorder border;
-
- if (! get_page_extents (view, i, &page_area, &border))
- continue;
-
- draw_one_page (view, i, &page_area, &border, &(event->area));
-
- if (EV_IS_DOCUMENT_FIND (view->document)) {
- highlight_find_results (view, i);
- }
- }
-
- for (l = view->selections; l != NULL; l = l->next) {
- EvViewSelection *selection = (EvViewSelection *)l->data;
-
- doc_rect_to_view_rect (view, selection->page,
- &selection->rect, &rubberband);
- if (rubberband.width > 0 && rubberband.height > 0) {
- draw_rubberband (GTK_WIDGET (view), view->bin_window,
- &rubberband, 0x40);
- }
- }
-}
-
-static gboolean
-ev_view_expose_event (GtkWidget *widget,
- GdkEventExpose *event)
-{
- EvView *view = EV_VIEW (widget);
-
- if (event->window == view->bin_window)
- ev_view_bin_expose (view, event);
- else
- return GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event (widget, event);
-
- return FALSE;
-}
-
-void
-ev_view_select_all (EvView *view)
-{
- int n_pages, i;
-
- clear_selection (view);
-
- n_pages = ev_page_cache_get_n_pages (view->page_cache);
- for (i = 0; i < n_pages; i++) {
- int width, height;
- EvViewSelection *selection;
-
- ev_page_cache_get_size (view->page_cache,
- i, 1.0, &width, &height);
-
- selection = g_new0 (EvViewSelection, 1);
- selection->page = i;
- selection->rect.x1 = selection->rect.y1 = 0;
- selection->rect.x2 = width;
- selection->rect.y2 = height;
-
- view->selections = g_list_append (view->selections, selection);
- }
-
- gtk_widget_queue_draw (GTK_WIDGET (view));
-}
-
-static char *
-get_selected_text (EvView *ev_view)
-{
- GString *text;
- GList *l;
-
- text = g_string_new (NULL);
-
- ev_document_doc_mutex_lock ();
-
- for (l = ev_view->selections; l != NULL; l = l->next) {
- EvViewSelection *selection = (EvViewSelection *)l->data;
- char *tmp;
-
- tmp = ev_document_get_text (ev_view->document,
- selection->page,
- &selection->rect);
- g_string_append (text, tmp);
- g_free (tmp);
- }
-
- ev_document_doc_mutex_unlock ();
-
- return g_string_free (text, FALSE);
-}
-
-void
-ev_view_copy (EvView *ev_view)
-{
- GtkClipboard *clipboard;
- char *text;
-
- if (!ev_document_can_get_text (ev_view->document)) {
- return;
- }
-
- text = get_selected_text (ev_view);
- clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
- GDK_SELECTION_CLIPBOARD);
- gtk_clipboard_set_text (clipboard, text, -1);
- g_free (text);
-}
-
-static void
-ev_view_primary_get_cb (GtkClipboard *clipboard,
- GtkSelectionData *selection_data,
- guint info,
- gpointer data)
-{
- EvView *ev_view = EV_VIEW (data);
- char *text;
-
- if (!ev_document_can_get_text (ev_view->document)) {
- return;
- }
-
- text = get_selected_text (ev_view);
- gtk_selection_data_set_text (selection_data, text, -1);
- g_free (text);
-}
-
-static void
-ev_view_primary_clear_cb (GtkClipboard *clipboard,
- gpointer data)
-{
- EvView *view = EV_VIEW (data);
-
- clear_selection (view);
-}
-
-static void
-ev_view_update_primary_selection (EvView *ev_view)
-{
- GtkClipboard *clipboard;
-
- clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
- GDK_SELECTION_PRIMARY);
-
- if (ev_view->selections) {
- if (!gtk_clipboard_set_with_owner (clipboard,
- targets,
- G_N_ELEMENTS (targets),
- ev_view_primary_get_cb,
- ev_view_primary_clear_cb,
- G_OBJECT (ev_view)))
- ev_view_primary_clear_cb (clipboard, ev_view);
- } else {
- if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
- gtk_clipboard_clear (clipboard);
- }
-}
-
-static GdkCursor *
-ev_view_create_invisible_cursor(void)
-{
- GdkBitmap *empty;
- GdkColor black = { 0, 0, 0, 0 };
- static char bits[] = { 0x00 };
-
- empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
-
- return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
-}
-
-static void
-ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
-{
- GdkCursor *cursor = NULL;
- GdkDisplay *display;
- GtkWidget *widget;
-
- if (view->cursor == new_cursor) {
- return;
- }
-
- widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
- display = gtk_widget_get_display (widget);
- view->cursor = new_cursor;
-
- switch (new_cursor) {
- case EV_VIEW_CURSOR_NORMAL:
- gdk_window_set_cursor (widget->window, NULL);
- break;
- case EV_VIEW_CURSOR_LINK:
- cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
- break;
- case EV_VIEW_CURSOR_WAIT:
- cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
- break;
- case EV_VIEW_CURSOR_HIDDEN:
- cursor = ev_view_create_invisible_cursor ();
- break;
- case EV_VIEW_CURSOR_DRAG:
- cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
- break;
- }
-
- if (cursor) {
- gdk_window_set_cursor (widget->window, cursor);
- gdk_cursor_unref (cursor);
- gdk_flush();
- }
-}
-
-static gboolean
-ev_view_button_press_event (GtkWidget *widget,
- GdkEventButton *event)
-{
- EvView *view = EV_VIEW (widget);
-
- if (!GTK_WIDGET_HAS_FOCUS (widget)) {
- gtk_widget_grab_focus (widget);
- }
-
- view->pressed_button = event->button;
-
- switch (event->button) {
- case 1:
- if (view->selections) {
- clear_selection (view);
- gtk_widget_queue_draw (widget);
- }
-
- view->selection_start.x = event->x;
- view->selection_start.y = event->y;
- return TRUE;
- case 2:
- /* use root coordinates as reference point because
- * scrolling changes window relative coordinates */
- view->drag_info.start.x = event->x_root;
- view->drag_info.start.y = event->y_root;
- view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
- view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
-
- ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
-
- return TRUE;
- }
-
- return FALSE;
-}
-
-static char *
-status_message_from_link (EvView *view, EvLink *link)
-{
- EvLinkType type;
- char *msg = NULL;
- char *page_label;
-
- type = ev_link_get_link_type (link);
-
- switch (type) {
- case EV_LINK_TYPE_TITLE:
- if (ev_link_get_title (link))
- msg = g_strdup (ev_link_get_title (link));
- break;
- case EV_LINK_TYPE_PAGE:
- page_label = ev_page_cache_get_page_label (view->page_cache, ev_link_get_page (link));
- msg = g_strdup_printf (_("Go to page %s"), page_label);
- g_free (page_label);
- break;
- case EV_LINK_TYPE_EXTERNAL_URI:
- msg = g_strdup (ev_link_get_uri (link));
- break;
- default:
- break;
- }
-
- return msg;
-}
-
-static void
-ev_view_set_status (EvView *view, const char *message)
-{
- g_return_if_fail (EV_IS_VIEW (view));
-
- if (message != view->status) {
- g_free (view->status);
- view->status = g_strdup (message);
- g_object_notify (G_OBJECT (view), "status");
- }
-}
-
-static void
-ev_view_set_find_status (EvView *view, const char *message)
-{
- g_return_if_fail (EV_IS_VIEW (view));
-
- g_free (view->find_status);
- view->find_status = g_strdup (message);
- g_object_notify (G_OBJECT (view), "find-status");
-}
-
-static void
-find_page_at_location (EvView *view,
- gdouble x,
- gdouble y,
- gint *page,
- gint *x_offset,
- gint *y_offset)
-{
- int i;
-
- if (view->document == NULL)
- return;
-
- g_assert (page);
- g_assert (x_offset);
- g_assert (y_offset);
-
- for (i = view->start_page; i <= view->end_page; i++) {
- GdkRectangle page_area;
- GtkBorder border;
+ view->selection_start.x = event->x;
+ view->selection_start.y = event->y;
+ return TRUE;
+ case 2:
+ /* use root coordinates as reference point because
+ * scrolling changes window relative coordinates */
+ view->drag_info.start.x = event->x_root;
+ view->drag_info.start.y = event->y_root;
+ view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
+ view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
- if (! get_page_extents (view, i, &page_area, &border))
- continue;
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
- if ((x >= page_area.x + border.left) &&
- (x < page_area.x + page_area.width - border.right) &&
- (y >= page_area.y + border.top) &&
- (y < page_area.y + page_area.height - border.bottom)) {
- *page = i;
- *x_offset = x - (page_area.x + border.left);
- *y_offset = y - (page_area.y + border.top);
- return;
- }
+ return TRUE;
}
- *page = -1;
-}
-
-static EvLink *
-get_link_at_location (EvView *view,
- gdouble x,
- gdouble y)
-{
- gint page = -1;
- gint x_offset = 0, y_offset = 0;
- GList *link_mapping;
-
- find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
-
- if (page == -1)
- return NULL;
-
- link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
-
- if (link_mapping)
- return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
- else
- return NULL;
+ return FALSE;
}
-
static gboolean
ev_view_motion_notify_event (GtkWidget *widget,
GdkEventMotion *event)
if (view->pressed_button == 1) {
GdkRectangle selection;
- selection.x = MIN (view->selection_start.x, event->x);
- selection.y = MIN (view->selection_start.y, event->y);
+ selection.x = MIN (view->selection_start.x, event->x) + view->scroll_x;
+ selection.y = MIN (view->selection_start.y, event->y) + view->scroll_y;
selection.width = ABS (view->selection_start.x - event->x) + 1;
selection.height = ABS (view->selection_start.y - event->y) + 1;
} else if (view->pressed_button <= 0 && view->document) {
EvLink *link;
- link = get_link_at_location (view, event->x, event->y);
+ link = get_link_at_location (view, event->x + view->scroll_x, event->y + view->scroll_y);
if (link) {
char *msg;
return FALSE;
}
-/* FIXME: standardize this sometime */
-static void
-go_to_link (EvView *view, EvLink *link)
-{
- EvLinkType type;
- const char *uri;
- int page;
-
- type = ev_link_get_link_type (link);
-
- switch (type) {
- case EV_LINK_TYPE_TITLE:
- break;
- case EV_LINK_TYPE_PAGE:
- page = ev_link_get_page (link);
- ev_page_cache_set_current_page (view->page_cache, page);
- break;
- case EV_LINK_TYPE_EXTERNAL_URI:
- uri = ev_link_get_uri (link);
- gnome_vfs_url_show (uri);
- break;
- }
-}
-
-
static gboolean
ev_view_button_release_event (GtkWidget *widget,
GdkEventButton *event)
} else if (view->document) {
EvLink *link;
- link = get_link_at_location (view, event->x, event->y);
+ link = get_link_at_location (view, event->x + view->scroll_x, event->y + view->scroll_y);
if (link) {
go_to_link (view, link);
}
return FALSE;
}
+/*** Drawing ***/
+
+static guint32
+ev_gdk_color_to_rgb (const GdkColor *color)
+{
+ guint32 result;
+ result = (0xff0000 | (color->red & 0xff00));
+ result <<= 8;
+ result |= ((color->green & 0xff00) | (color->blue >> 8));
+ return result;
+}
+
static void
-on_adjustment_value_changed (GtkAdjustment *adjustment,
- EvView *view)
+draw_rubberband (GtkWidget *widget, GdkWindow *window,
+ const GdkRectangle *rect, guchar alpha)
{
- view_update_adjustments (view);
+ GdkGC *gc;
+ GdkPixbuf *pixbuf;
+ GdkColor *fill_color_gdk;
+ guint fill_color;
+
+ fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
+ fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
+
+ pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
+ rect->width, rect->height);
+ gdk_pixbuf_fill (pixbuf, fill_color);
+
+ gdk_draw_pixbuf (window, NULL, pixbuf,
+ 0, 0,
+ rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
+ rect->width, rect->height,
+ GDK_RGB_DITHER_NONE,
+ 0, 0);
+
+ g_object_unref (pixbuf);
+
+ gc = gdk_gc_new (window);
+ gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
+ gdk_draw_rectangle (window, gc, FALSE,
+ rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
+ rect->width - 1,
+ rect->height - 1);
+ g_object_unref (gc);
+
+ gdk_color_free (fill_color_gdk);
}
+
static void
-set_scroll_adjustment (EvView *view,
- GtkOrientation orientation,
- GtkAdjustment *adjustment)
+highlight_find_results (EvView *view, int page)
{
- GtkAdjustment **to_set;
+ EvDocumentFind *find;
+ int i, results = 0;
- if (orientation == GTK_ORIENTATION_HORIZONTAL)
- to_set = &view->hadjustment;
- else
- to_set = &view->vadjustment;
+ g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
- if (*to_set != adjustment) {
- if (*to_set) {
- g_signal_handlers_disconnect_by_func (*to_set,
- (gpointer) on_adjustment_value_changed,
- view);
- g_object_unref (*to_set);
- }
+ find = EV_DOCUMENT_FIND (view->document);
- *to_set = adjustment;
- view_set_adjustment_values (view, orientation);
+ results = ev_document_find_get_n_results (find, page);
- if (*to_set) {
- g_object_ref (*to_set);
- g_signal_connect (*to_set, "value_changed",
- G_CALLBACK (on_adjustment_value_changed), view);
+ for (i = 0; i < results; i++) {
+ EvRectangle rectangle;
+ GdkRectangle view_rectangle;
+ guchar alpha;
+
+ if (i == view->find_result && page == view->find_page) {
+ alpha = 0x90;
+ } else {
+ alpha = 0x20;
}
+
+ ev_document_find_get_result (find, page,
+ i, &rectangle);
+ doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
+ draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
+ &view_rectangle, alpha);
+ }
+}
+
+static void
+draw_one_page (EvView *view,
+ gint page,
+ GdkRectangle *page_area,
+ GtkBorder *border,
+ GdkRectangle *expose_area)
+{
+ gint width, height;
+ GdkPixbuf *scaled_image;
+ GdkPixbuf *current_pixbuf;
+ GdkRectangle overlap;
+ GdkRectangle real_page_area;
+
+ g_assert (view->document);
+
+ if (!gdk_rectangle_intersect (page_area, expose_area, &overlap))
+ return;
+
+ ev_page_cache_get_size (view->page_cache,
+ page, view->scale,
+ &width, &height);
+
+ /* Render the document itself */
+ real_page_area = *page_area;
+
+ real_page_area.x += border->left;
+ real_page_area.y += border->top;
+ real_page_area.width -= (border->left + border->right);
+ real_page_area.height -= (border->top + border->bottom);
+
+ if (! gdk_rectangle_intersect (&real_page_area, expose_area, &overlap))
+ return;
+
+ ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
+ GTK_WIDGET (view),
+ page_area, border);
+
+ current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
+
+ if (current_pixbuf == NULL)
+ scaled_image = NULL;
+ else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
+ height == gdk_pixbuf_get_height (current_pixbuf))
+ scaled_image = g_object_ref (current_pixbuf);
+ else
+ scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
+ width, height,
+ GDK_INTERP_NEAREST);
+
+ if (scaled_image) {
+ gdk_draw_pixbuf (GTK_WIDGET(view)->window,
+ GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
+ scaled_image,
+ overlap.x - real_page_area.x,
+ overlap.y - real_page_area.y,
+ overlap.x, overlap.y,
+ overlap.width, overlap.height,
+ GDK_RGB_DITHER_NORMAL,
+ 0, 0);
+ g_object_unref (scaled_image);
}
}
-static void
-ev_view_set_scroll_adjustments (EvView *view,
- GtkAdjustment *hadjustment,
- GtkAdjustment *vadjustment)
-{
- set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
- set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
-
- view_update_adjustments (view);
-}
+/*** GObject functions ***/
static void
-add_scroll_binding_keypad (GtkBindingSet *binding_set,
- guint keyval,
- GtkScrollType scroll,
- gboolean horizontal)
-{
- guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
-
- gtk_binding_entry_add_signal (binding_set, keyval, 0,
- "scroll_view", 2,
- GTK_TYPE_SCROLL_TYPE, scroll,
- G_TYPE_BOOLEAN, horizontal);
- gtk_binding_entry_add_signal (binding_set, keypad_keyval, 0,
- "scroll_view", 2,
- GTK_TYPE_SCROLL_TYPE, scroll,
- G_TYPE_BOOLEAN, horizontal);
-}
-
-void
-ev_view_scroll (EvView *view,
- EvScrollType scroll)
+ev_view_finalize (GObject *object)
{
- GtkAdjustment *adjustment;
- double value, increment;
- gboolean first_page = FALSE;
- gboolean last_page = FALSE;
+ EvView *view = EV_VIEW (object);
- /* Assign values for increment and vertical adjustment */
- adjustment = view->vadjustment;
- increment = adjustment->page_size * 0.75;
- value = adjustment->value;
+ LOG ("Finalize");
- /* Assign boolean for first and last page */
- if (view->current_page == 0)
- first_page = TRUE;
- if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
- last_page = TRUE;
+ g_free (view->status);
+ g_free (view->find_status);
- switch (scroll) {
- case EV_SCROLL_PAGE_BACKWARD:
- /* Do not jump backwards if at the first page */
- if (value == (adjustment->lower) && first_page) {
- /* Do nothing */
- /* At the top of a page, assign the upper bound limit of previous page */
- } else if (value == (adjustment->lower)) {
- value = adjustment->upper - adjustment->page_size;
- ev_page_cache_set_current_page (view->page_cache, view->current_page - 1);
- /* Jump to the top */
- } else {
- value = MAX (value - increment, adjustment->lower);
- }
- break;
- case EV_SCROLL_PAGE_FORWARD:
- /* Do not jump forward if at the last page */
- if (value == (adjustment->upper - adjustment->page_size) && last_page) {
- /* Do nothing */
- /* At the bottom of a page, assign the lower bound limit of next page */
- } else if (value == (adjustment->upper - adjustment->page_size)) {
- value = 0;
- ev_page_cache_set_current_page (view->page_cache, view->current_page + 1);
- /* Jump to the bottom */
- } else {
- value = MIN (value + increment, adjustment->upper - adjustment->page_size);
- }
- break;
- default:
- break;
- }
+ clear_selection (view);
- gtk_adjustment_set_value (adjustment, value);
+ G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
}
static void
-ev_view_scroll_view (EvView *view,
- GtkScrollType scroll,
- gboolean horizontal)
+ev_view_destroy (GtkObject *object)
{
- if (scroll == GTK_SCROLL_PAGE_BACKWARD) {
- ev_page_cache_prev_page (view->page_cache);
- } else if (scroll == GTK_SCROLL_PAGE_FORWARD) {
- ev_page_cache_next_page (view->page_cache);
- } else {
- GtkAdjustment *adjustment;
- double value;
-
- if (horizontal) {
- adjustment = view->hadjustment;
- } else {
- adjustment = view->vadjustment;
- }
-
- value = adjustment->value;
-
- switch (scroll) {
- case GTK_SCROLL_STEP_BACKWARD:
- value -= adjustment->step_increment;
- break;
- case GTK_SCROLL_STEP_FORWARD:
- value += adjustment->step_increment;
- break;
- default:
- break;
- }
-
- value = CLAMP (value, adjustment->lower,
- adjustment->upper - adjustment->page_size);
+ EvView *view = EV_VIEW (object);
- gtk_adjustment_set_value (adjustment, value);
+ if (view->document) {
+ g_object_unref (view->document);
+ view->document = NULL;
+ }
+ if (view->pixbuf_cache) {
+ g_object_unref (view->pixbuf_cache);
+ view->pixbuf_cache = NULL;
}
+ ev_view_set_scroll_adjustments (view, NULL, NULL);
+
+ GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
}
static void
class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
class->scroll_view = ev_view_scroll_view;
- widget_class->set_scroll_adjustments_signal = g_signal_new ("set-scroll-adjustments",
- G_OBJECT_CLASS_TYPE (object_class),
- G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
- G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
- NULL, NULL,
- ev_marshal_VOID__OBJECT_OBJECT,
- G_TYPE_NONE, 2,
- GTK_TYPE_ADJUSTMENT,
- GTK_TYPE_ADJUSTMENT);
-
- g_signal_new ("scroll_view",
- G_TYPE_FROM_CLASS (object_class),
- G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
- G_STRUCT_OFFSET (EvViewClass, scroll_view),
- NULL, NULL,
- ev_marshal_VOID__ENUM_BOOLEAN,
- G_TYPE_NONE, 2,
- GTK_TYPE_SCROLL_TYPE,
- G_TYPE_BOOLEAN);
+ widget_class->set_scroll_adjustments_signal =
+ g_signal_new ("set-scroll-adjustments",
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
+ NULL, NULL,
+ ev_marshal_VOID__OBJECT_OBJECT,
+ G_TYPE_NONE, 2,
+ GTK_TYPE_ADJUSTMENT,
+ GTK_TYPE_ADJUSTMENT);
+
+ g_signal_new ("scroll_view",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvViewClass, scroll_view),
+ NULL, NULL,
+ ev_marshal_VOID__ENUM_BOOLEAN,
+ G_TYPE_NONE, 2,
+ GTK_TYPE_SCROLL_TYPE,
+ G_TYPE_BOOLEAN);
g_object_class_install_property (object_class,
PROP_STATUS,
PROP_DUAL_PAGE,
g_param_spec_boolean ("dual-page",
"Dual Page",
- "Two pages visible at once",
- FALSE,
- G_PARAM_READWRITE));
- g_object_class_install_property (object_class,
- PROP_FULLSCREEN,
- g_param_spec_boolean ("fullscreen",
- "Full Screen",
- "Draw page in a fullscreen fashion",
- FALSE,
- G_PARAM_READWRITE));
- g_object_class_install_property (object_class,
- PROP_PRESENTATION,
- g_param_spec_boolean ("presentation",
- "Presentation",
- "Draw page in presentation mode",
- TRUE,
- G_PARAM_READWRITE));
-
- g_object_class_install_property (object_class,
- PROP_SIZING_MODE,
- g_param_spec_enum ("sizing-mode",
- "Sizing Mode",
- "Sizing Mode",
- EV_TYPE_SIZING_MODE,
- EV_SIZING_FIT_WIDTH,
- G_PARAM_READWRITE));
-
- binding_set = gtk_binding_set_by_class (class);
-
- add_scroll_binding_keypad (binding_set, GDK_Left, GTK_SCROLL_STEP_BACKWARD, TRUE);
- add_scroll_binding_keypad (binding_set, GDK_Right, GTK_SCROLL_STEP_FORWARD, TRUE);
- add_scroll_binding_keypad (binding_set, GDK_Up, GTK_SCROLL_STEP_BACKWARD, FALSE);
- add_scroll_binding_keypad (binding_set, GDK_Down, GTK_SCROLL_STEP_FORWARD, FALSE);
-
- add_scroll_binding_keypad (binding_set, GDK_Page_Up, GTK_SCROLL_PAGE_BACKWARD, FALSE);
- add_scroll_binding_keypad (binding_set, GDK_Page_Down, GTK_SCROLL_PAGE_FORWARD, FALSE);
-}
-
-static void
-ev_view_init (EvView *view)
-{
- GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
-
- view->spacing = 10;
- view->scale = 1.0;
- view->current_page = 0;
- view->pressed_button = -1;
- view->cursor = EV_VIEW_CURSOR_NORMAL;
- view->drag_info.dragging = FALSE;
-
- view->continuous = TRUE;
- view->dual_page = FALSE;
- view->presentation = FALSE;
- view->fullscreen = FALSE;
- view->sizing_mode = EV_SIZING_FIT_WIDTH;
-}
-
-static void
-update_find_status_message (EvView *view)
-{
- char *message;
-
- if (view->current_page == view->find_page) {
- int results;
-
- results = ev_document_find_get_n_results
- (EV_DOCUMENT_FIND (view->document),
- view->current_page);
- /* TRANS: Sometimes this could be better translated as
- "%d hit(s) on this page". Therefore this string
- contains plural cases. */
- message = g_strdup_printf (ngettext ("%d found on this page",
- "%d found on this page",
- results),
- results);
- } else {
- double percent;
-
- ev_document_doc_mutex_lock ();
- percent = ev_document_find_get_progress
- (EV_DOCUMENT_FIND (view->document));
- ev_document_doc_mutex_unlock ();
- if (percent >= (1.0 - 1e-10)) {
- message = g_strdup (_("Not found"));
- } else {
- message = g_strdup_printf (_("%3d%% remaining to search"),
- (int) ((1.0 - percent) * 100));
- }
-
- }
-// ev_document_doc_mutex_unlock ();
-
- ev_view_set_find_status (view, message);
-// g_free (message);
-}
-
-#define MARGIN 5
-
-static void
-ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
-{
- GtkWidget *widget = GTK_WIDGET (view);
- GtkAdjustment *adjustment;
- int value;
-
- adjustment = view->vadjustment;
-
- if (rect->y < adjustment->value) {
- value = MAX (adjustment->lower, rect->y - MARGIN);
- gtk_adjustment_set_value (view->vadjustment, value);
- } else if (rect->y + rect->height >
- adjustment->value + widget->allocation.height) {
- value = MIN (adjustment->upper, rect->y + rect->height -
- widget->allocation.height + MARGIN);
- gtk_adjustment_set_value (view->vadjustment, value);
- }
-
- adjustment = view->hadjustment;
-
- if (rect->x < adjustment->value) {
- value = MAX (adjustment->lower, rect->x - MARGIN);
- gtk_adjustment_set_value (view->hadjustment, value);
- } else if (rect->x + rect->height >
- adjustment->value + widget->allocation.width) {
- value = MIN (adjustment->upper, rect->x + rect->width -
- widget->allocation.width + MARGIN);
- gtk_adjustment_set_value (view->hadjustment, value);
- }
-}
+ "Two pages visible at once",
+ FALSE,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_FULLSCREEN,
+ g_param_spec_boolean ("fullscreen",
+ "Full Screen",
+ "Draw page in a fullscreen fashion",
+ FALSE,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_PRESENTATION,
+ g_param_spec_boolean ("presentation",
+ "Presentation",
+ "Draw page in presentation mode",
+ TRUE,
+ G_PARAM_READWRITE));
-static void
-jump_to_find_result (EvView *view)
-{
- EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
- EvRectangle rect;
- GdkRectangle view_rect;
- int n_results;
- int page = view->find_page;
+ g_object_class_install_property (object_class,
+ PROP_SIZING_MODE,
+ g_param_spec_enum ("sizing-mode",
+ "Sizing Mode",
+ "Sizing Mode",
+ EV_TYPE_SIZING_MODE,
+ EV_SIZING_FIT_WIDTH,
+ G_PARAM_READWRITE));
- ev_document_doc_mutex_lock ();
- n_results = ev_document_find_get_n_results (find, page);
- ev_document_doc_mutex_unlock ();
+ binding_set = gtk_binding_set_by_class (class);
- if (n_results > view->find_result) {
- ev_document_doc_mutex_lock ();
- ev_document_find_get_result
- (find, page, view->find_result, &rect);
- ev_document_doc_mutex_unlock ();
+ add_scroll_binding_keypad (binding_set, GDK_Left, GTK_SCROLL_STEP_BACKWARD, TRUE);
+ add_scroll_binding_keypad (binding_set, GDK_Right, GTK_SCROLL_STEP_FORWARD, TRUE);
+ add_scroll_binding_keypad (binding_set, GDK_Up, GTK_SCROLL_STEP_BACKWARD, FALSE);
+ add_scroll_binding_keypad (binding_set, GDK_Down, GTK_SCROLL_STEP_FORWARD, FALSE);
- doc_rect_to_view_rect (view, page, &rect, &view_rect);
- ensure_rectangle_is_visible (view, &view_rect);
- }
+ add_scroll_binding_keypad (binding_set, GDK_Page_Up, GTK_SCROLL_PAGE_BACKWARD, FALSE);
+ add_scroll_binding_keypad (binding_set, GDK_Page_Down, GTK_SCROLL_PAGE_FORWARD, FALSE);
}
static void
-jump_to_find_page (EvView *view)
+ev_view_init (EvView *view)
{
- int n_pages, i;
-
- n_pages = ev_page_cache_get_n_pages (view->page_cache);
-
- for (i = 0; i < n_pages; i++) {
- int has_results;
- int page;
+ GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
- page = i + view->find_page;
- if (page >= n_pages) {
- page = page - n_pages;
- }
+ view->spacing = 10;
+ view->scale = 1.0;
+ view->current_page = 0;
+ view->pressed_button = -1;
+ view->cursor = EV_VIEW_CURSOR_NORMAL;
+ view->drag_info.dragging = FALSE;
- has_results = ev_document_find_page_has_results
- (EV_DOCUMENT_FIND (view->document), page);
- if (has_results == -1) {
- view->find_page = page;
- break;
- } else if (has_results == 1) {
- ev_page_cache_set_current_page (view->page_cache, page);
- jump_to_find_result (view);
- break;
- }
- }
+ view->continuous = TRUE;
+ view->dual_page = FALSE;
+ view->presentation = FALSE;
+ view->fullscreen = FALSE;
+ view->sizing_mode = EV_SIZING_FIT_WIDTH;
+ view->pending_scroll = SCROLL_TO_KEEP_POSITION;
}
+/*** Callbacks ***/
+
static void
find_changed_cb (EvDocument *document, int page, EvView *view)
{
if (view->current_page == page)
gtk_widget_queue_draw (GTK_WIDGET (view));
}
-/*** Public API ***/
-
-GtkWidget*
-ev_view_new (void)
-{
- GtkWidget *view;
-
- view = g_object_new (EV_TYPE_VIEW, NULL);
-
- return view;
-}
static void
job_finished_cb (EvPixbufCache *pixbuf_cache,
gtk_widget_queue_draw (GTK_WIDGET (view));
}
-
static void
page_changed_cb (EvPageCache *page_cache,
int new_page,
EvView *view)
{
- int old_page = view->current_page;
- int old_width, old_height;
- int new_width, new_height;
- int max_height, n_rows;
-
- if (old_page == new_page)
- return;
+ if (view->current_page != new_page) {
- ev_page_cache_get_size (page_cache,
- old_page,
- view->scale,
- &old_width, &old_height);
-
- view->current_page = new_page;
-
- ev_page_cache_get_size (page_cache,
- new_page,
- view->scale,
- &new_width, &new_height);
+ view_scroll_to_page (view, new_page);
- compute_border (view, new_width, new_height, &(view->border));
+ if (EV_IS_DOCUMENT_FIND (view->document)) {
+ view->find_page = new_page;
+ view->find_result = 0;
+ update_find_status_message (view);
+ }
+ }
+}
- if (new_width != old_width || new_height != old_height)
- gtk_widget_queue_resize (GTK_WIDGET (view));
- else
- gtk_widget_queue_draw (GTK_WIDGET (view));
-
- if (view->continuous) {
-
- n_rows = view->dual_page ? new_page / 2 : new_page;
-
- get_bounding_box_size (view, NULL, &max_height);
+static void on_adjustment_value_changed (GtkAdjustment *adjustment,
+ EvView *view)
+{
+ view_update_adjustments (view);
+}
- gtk_adjustment_clamp_page(view->vadjustment,
- (max_height + view->spacing) * n_rows,
- (max_height + view->spacing) * n_rows +
- view->vadjustment->page_size);
- } else {
- gtk_adjustment_set_value (view->vadjustment,
- view->vadjustment->lower);
- }
+GtkWidget*
+ev_view_new (void)
+{
+ GtkWidget *view;
- if (EV_IS_DOCUMENT_FIND (view->document)) {
- view->find_page = new_page;
- view->find_result = 0;
- update_find_status_message (view);
- }
+ view = g_object_new (EV_TYPE_VIEW, NULL);
- view_update_range_and_current_page (view);
+ return view;
}
void
view);
}
view->page_cache = ev_document_get_page_cache (view->document);
+ view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
view->pixbuf_cache = ev_pixbuf_cache_new (view->document);
g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
}
}
+/*** Zoom and sizing mode ***/
+
#define EPSILON 0.0000001
void
ev_view_set_zoom (EvView *view,
if (ABS (view->scale - scale) < EPSILON)
return;
view->scale = scale;
+
gtk_widget_queue_resize (GTK_WIDGET (view));
}
if (view->continuous != continuous) {
view->continuous = continuous;
+ view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
gtk_widget_queue_resize (GTK_WIDGET (view));
}
if (view->dual_page == dual_page)
return;
-
+
+ view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
view->dual_page = dual_page;
/* FIXME: if we're keeping the pixbuf cache around, we should extend the
* preload_cache_size to be 2 if dual_page is set.
gtk_widget_queue_resize (GTK_WIDGET (view));
if (GTK_WIDGET_REALIZED (view)) {
if (view->presentation)
- gdk_window_set_background (view->bin_window,
+ gdk_window_set_background (GTK_WIDGET(view)->window,
>K_WIDGET (view)->style->black);
else
- gdk_window_set_background (view->bin_window,
+ gdk_window_set_background (GTK_WIDGET(view)->window,
>K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
}
ev_view_zoom_in (EvView *view)
{
g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
-
+
+ view->pending_scroll = SCROLL_TO_CENTER;
ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
}
{
g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
+ view->pending_scroll = SCROLL_TO_CENTER;
ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
}
zoom_for_size_fit_width (int doc_width,
int doc_height,
int target_width,
- int target_height,
- int vsb_width)
+ int target_height)
{
double scale;
scale = (double)target_width / doc_width;
if (doc_height * scale > target_height)
- scale = (double) (target_width - vsb_width) / doc_width;
+ scale = (double) (target_width) / doc_width;
return scale;
}
zoom_for_size_best_fit (int doc_width,
int doc_height,
int target_width,
- int target_height,
- int vsb_width,
- int hsb_width)
+ int target_height)
{
double w_scale;
double h_scale;
h_scale = (double)target_height / doc_height;
if (doc_height * w_scale > target_height)
- w_scale = (double) (target_width - vsb_width) / doc_width;
+ w_scale = (double) target_width / doc_width;
if (doc_width * h_scale > target_width)
- h_scale = (double) (target_height - hsb_width) / doc_height;
+ h_scale = (double) target_height / doc_height;
return MIN (w_scale, h_scale);
}
1.0,
&doc_width,
&doc_height);
- scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
+ scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
ev_view_set_zoom (view, scale, FALSE);
}
static void
-ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
+ev_view_zoom_for_size_continuous_dual_page (EvView *view,
int width,
- int height,
- int vsb_width,
- int hsb_height)
+ int height)
{
int doc_width, doc_height;
GtkBorder border;
* page height. We assume there's always a vertical scrollbar for
* now. We need to fix this. */
if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
- scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
+ scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
else if (view->sizing_mode == EV_SIZING_BEST_FIT)
- scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
+ scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
else
g_assert_not_reached ();
static void
ev_view_zoom_for_size_continuous (EvView *view,
int width,
- int height,
- int vsb_width,
- int hsb_height)
+ int height)
{
int doc_width, doc_height;
GtkBorder border;
* page height. We assume there's always a vertical scrollbar for
* now. We need to fix this. */
if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
- scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
+ scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
else if (view->sizing_mode == EV_SIZING_BEST_FIT)
- scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
+ scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
else
g_assert_not_reached ();
static void
ev_view_zoom_for_size_dual_page (EvView *view,
int width,
- int height,
- int vsb_width,
- int hsb_height)
+ int height)
{
GtkBorder border;
gint doc_width, doc_height;
height -= (border.top + border.bottom + 2 * view->spacing);
if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
- scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
+ scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
else if (view->sizing_mode == EV_SIZING_BEST_FIT)
- scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
+ scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
else
g_assert_not_reached ();
static void
ev_view_zoom_for_size_single_page (EvView *view,
int width,
- int height,
- int vsb_width,
- int hsb_height)
+ int height)
{
int doc_width, doc_height;
GtkBorder border;
height -= (border.top + border.bottom + 2 * view->spacing);
if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
- scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
+ scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
else if (view->sizing_mode == EV_SIZING_BEST_FIT)
- scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
+ scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
else
g_assert_not_reached ();
void
ev_view_set_zoom_for_size (EvView *view,
int width,
- int height,
- int vsb_width,
- int hsb_height)
+ int height)
{
g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
view->sizing_mode == EV_SIZING_BEST_FIT);
if (view->document == NULL)
return;
- if (view->presentation)
- ev_view_zoom_for_size_presentation (view, width, height);
- else if (view->continuous && view->dual_page)
- ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
- else if (view->continuous)
- ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
- else if (view->dual_page)
- ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
- else
- ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
+ if (view->presentation)
+ ev_view_zoom_for_size_presentation (view, width, height);
+ else if (view->continuous && view->dual_page)
+ ev_view_zoom_for_size_continuous_dual_page (view, width, height);
+ else if (view->continuous)
+ ev_view_zoom_for_size_continuous (view, width, height);
+ else if (view->dual_page)
+ ev_view_zoom_for_size_dual_page (view, width, height);
+ else
+ ev_view_zoom_for_size_single_page (view, width, height);
+}
+
+/*** Status text messages ***/
+
+const char *
+ev_view_get_status (EvView *view)
+{
+ g_return_val_if_fail (EV_IS_VIEW (view), NULL);
+
+ return view->status;
+}
+
+static void
+ev_view_set_status (EvView *view, const char *message)
+{
+ g_return_if_fail (EV_IS_VIEW (view));
+
+ if (message != view->status) {
+ g_free (view->status);
+ view->status = g_strdup (message);
+ g_object_notify (G_OBJECT (view), "status");
+ }
+}
+
+static void
+update_find_status_message (EvView *view)
+{
+ char *message;
+
+ if (view->current_page == view->find_page) {
+ int results;
+
+ results = ev_document_find_get_n_results
+ (EV_DOCUMENT_FIND (view->document),
+ view->current_page);
+ /* TRANS: Sometimes this could be better translated as
+ "%d hit(s) on this page". Therefore this string
+ contains plural cases. */
+ message = g_strdup_printf (ngettext ("%d found on this page",
+ "%d found on this page",
+ results),
+ results);
+ } else {
+ double percent;
+
+ ev_document_doc_mutex_lock ();
+ percent = ev_document_find_get_progress
+ (EV_DOCUMENT_FIND (view->document));
+ ev_document_doc_mutex_unlock ();
+ if (percent >= (1.0 - 1e-10)) {
+ message = g_strdup (_("Not found"));
+ } else {
+ message = g_strdup_printf (_("%3d%% remaining to search"),
+ (int) ((1.0 - percent) * 100));
+ }
+
+ }
+ ev_view_set_find_status (view, message);
+}
+
+const char *
+ev_view_get_find_status (EvView *view)
+{
+ g_return_val_if_fail (EV_IS_VIEW (view), NULL);
+
+ return view->find_status;
+}
+
+static void
+ev_view_set_find_status (EvView *view, const char *message)
+{
+ g_return_if_fail (EV_IS_VIEW (view));
+
+ g_free (view->find_status);
+ view->find_status = g_strdup (message);
+ g_object_notify (G_OBJECT (view), "find-status");
+}
+
+/*** Find ***/
+
+static void
+jump_to_find_result (EvView *view)
+{
+ EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
+ EvRectangle rect;
+ GdkRectangle view_rect;
+ int n_results;
+ int page = view->find_page;
+
+ ev_document_doc_mutex_lock ();
+ n_results = ev_document_find_get_n_results (find, page);
+ ev_document_doc_mutex_unlock ();
+
+ if (n_results > view->find_result) {
+ ev_document_doc_mutex_lock ();
+ ev_document_find_get_result
+ (find, page, view->find_result, &rect);
+ ev_document_doc_mutex_unlock ();
+
+ doc_rect_to_view_rect (view, page, &rect, &view_rect);
+ ensure_rectangle_is_visible (view, &view_rect);
+ }
}
-const char *
-ev_view_get_status (EvView *view)
+static void
+jump_to_find_page (EvView *view)
{
- g_return_val_if_fail (EV_IS_VIEW (view), NULL);
+ int n_pages, i;
- return view->status;
-}
+ n_pages = ev_page_cache_get_n_pages (view->page_cache);
-const char *
-ev_view_get_find_status (EvView *view)
-{
- g_return_val_if_fail (EV_IS_VIEW (view), NULL);
+ for (i = 0; i < n_pages; i++) {
+ int has_results;
+ int page;
- return view->find_status;
+ page = i + view->find_page;
+ if (page >= n_pages) {
+ page = page - n_pages;
+ }
+
+ has_results = ev_document_find_page_has_results
+ (EV_DOCUMENT_FIND (view->document), page);
+ if (has_results == -1) {
+ view->find_page = page;
+ break;
+ } else if (has_results == 1) {
+ ev_page_cache_set_current_page (view->page_cache, page);
+ jump_to_find_result (view);
+ break;
+ }
+ }
}
gboolean
}
}
+/*** Selections ***/
+
+static void
+compute_selections (EvView *view, GdkRectangle *view_rect)
+{
+ int n_pages, i;
+
+ clear_selection (view);
+
+ n_pages = ev_page_cache_get_n_pages (view->page_cache);
+ for (i = 0; i < n_pages; i++) {
+ GdkRectangle page_area;
+ GtkBorder border;
+
+ if (get_page_extents (view, i, &page_area, &border)) {
+ GdkRectangle overlap;
+
+ if (gdk_rectangle_intersect (&page_area, view_rect, &overlap)) {
+ EvViewSelection *selection;
+
+ selection = g_new0 (EvViewSelection, 1);
+ selection->page = i;
+ view_rect_to_doc_rect (view, &overlap, &page_area,
+ &(selection->rect));
+
+ view->selections = g_list_append
+ (view->selections, selection);
+ }
+ }
+ }
+}
+
+static void
+clear_selection (EvView *view)
+{
+ g_list_foreach (view->selections, (GFunc)g_free, NULL);
+ view->selections = NULL;
+}
+
+
+void
+ev_view_select_all (EvView *view)
+{
+ int n_pages, i;
+
+ clear_selection (view);
+
+ n_pages = ev_page_cache_get_n_pages (view->page_cache);
+ for (i = 0; i < n_pages; i++) {
+ int width, height;
+ EvViewSelection *selection;
+
+ ev_page_cache_get_size (view->page_cache,
+ i, 1.0, &width, &height);
+
+ selection = g_new0 (EvViewSelection, 1);
+ selection->page = i;
+ selection->rect.x1 = selection->rect.y1 = 0;
+ selection->rect.x2 = width;
+ selection->rect.y2 = height;
+
+ view->selections = g_list_append (view->selections, selection);
+ }
+
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+}
+
+static char *
+get_selected_text (EvView *ev_view)
+{
+ GString *text;
+ GList *l;
+
+ text = g_string_new (NULL);
+
+ ev_document_doc_mutex_lock ();
+
+ for (l = ev_view->selections; l != NULL; l = l->next) {
+ EvViewSelection *selection = (EvViewSelection *)l->data;
+ char *tmp;
+
+ tmp = ev_document_get_text (ev_view->document,
+ selection->page,
+ &selection->rect);
+ g_string_append (text, tmp);
+ g_free (tmp);
+ }
+
+ ev_document_doc_mutex_unlock ();
+
+ return g_string_free (text, FALSE);
+}
+
+void
+ev_view_copy (EvView *ev_view)
+{
+ GtkClipboard *clipboard;
+ char *text;
+
+ if (!ev_document_can_get_text (ev_view->document)) {
+ return;
+ }
+
+ text = get_selected_text (ev_view);
+ clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
+ GDK_SELECTION_CLIPBOARD);
+ gtk_clipboard_set_text (clipboard, text, -1);
+ g_free (text);
+}
+
+static void
+ev_view_primary_get_cb (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ guint info,
+ gpointer data)
+{
+ EvView *ev_view = EV_VIEW (data);
+ char *text;
+
+ if (!ev_document_can_get_text (ev_view->document)) {
+ return;
+ }
+
+ text = get_selected_text (ev_view);
+ gtk_selection_data_set_text (selection_data, text, -1);
+ g_free (text);
+}
+
+static void
+ev_view_primary_clear_cb (GtkClipboard *clipboard,
+ gpointer data)
+{
+ EvView *view = EV_VIEW (data);
+
+ clear_selection (view);
+}
+
+static void
+ev_view_update_primary_selection (EvView *ev_view)
+{
+ GtkClipboard *clipboard;
+
+ clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
+ GDK_SELECTION_PRIMARY);
+
+ if (ev_view->selections) {
+ if (!gtk_clipboard_set_with_owner (clipboard,
+ targets,
+ G_N_ELEMENTS (targets),
+ ev_view_primary_get_cb,
+ ev_view_primary_clear_cb,
+ G_OBJECT (ev_view)))
+ ev_view_primary_clear_cb (clipboard, ev_view);
+ } else {
+ if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
+ gtk_clipboard_clear (clipboard);
+ }
+}
+
+/*** Cursor operations ***/
+
+static GdkCursor *
+ev_view_create_invisible_cursor(void)
+{
+ GdkBitmap *empty;
+ GdkColor black = { 0, 0, 0, 0 };
+ static char bits[] = { 0x00 };
+
+ empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
+
+ return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
+}
+
+static void
+ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
+{
+ GdkCursor *cursor = NULL;
+ GdkDisplay *display;
+ GtkWidget *widget;
+
+ if (view->cursor == new_cursor) {
+ return;
+ }
+
+ widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
+ display = gtk_widget_get_display (widget);
+ view->cursor = new_cursor;
+
+ switch (new_cursor) {
+ case EV_VIEW_CURSOR_NORMAL:
+ gdk_window_set_cursor (widget->window, NULL);
+ break;
+ case EV_VIEW_CURSOR_LINK:
+ cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
+ break;
+ case EV_VIEW_CURSOR_WAIT:
+ cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
+ break;
+ case EV_VIEW_CURSOR_HIDDEN:
+ cursor = ev_view_create_invisible_cursor ();
+ break;
+ case EV_VIEW_CURSOR_DRAG:
+ cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
+ break;
+ }
+
+ if (cursor) {
+ gdk_window_set_cursor (widget->window, cursor);
+ gdk_cursor_unref (cursor);
+ gdk_flush();
+ }
+}
+
void
ev_view_hide_cursor (EvView *view)
{
ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
}
+/*** Enum description for usage in signal ***/
GType
ev_sizing_mode_get_type (void)
}
return etype;
}
+
https://www.fi.muni.cz/~kas/git / evince.git / commitdiff