#include "ev-marshal.h"
#include "ev-view.h"
+#include "ev-view-private.h"
#include "ev-utils.h"
#include "ev-selection.h"
#include "ev-document-find.h"
PROP_SIZING_MODE,
PROP_ZOOM,
PROP_ROTATION,
+ PROP_HAS_SELECTION,
};
enum {
SIGNAL_BINDING_ACTIVATED,
SIGNAL_ZOOM_INVALID,
SIGNAL_EXTERNAL_LINK,
+ SIGNAL_POPUP_MENU,
N_SIGNALS,
};
static guint signals[N_SIGNALS];
-typedef enum {
- EV_VIEW_CURSOR_NORMAL,
- EV_VIEW_CURSOR_IBEAM,
- EV_VIEW_CURSOR_LINK,
- EV_VIEW_CURSOR_WAIT,
- EV_VIEW_CURSOR_HIDDEN,
- EV_VIEW_CURSOR_DRAG
-} EvViewCursor;
-
typedef enum {
EV_VIEW_FIND_NEXT,
EV_VIEW_FIND_PREV
#define MIN_SCALE 0.05409
#define MAX_SCALE 4.0
-/* Information for middle clicking and moving around the doc */
-typedef struct {
- gboolean in_drag;
- GdkPoint start;
- gdouble hadj;
- gdouble vadj;
-} DragInfo;
-
-/* Information for handling selection */
-typedef struct {
- gboolean in_selection;
- gboolean in_drag;
- GdkPoint start;
- GList *selections;
-} SelectionInfo;
-
-typedef enum {
- SCROLL_TO_KEEP_POSITION,
- SCROLL_TO_CURRENT_PAGE,
- SCROLL_TO_CENTER
-} PendingScroll;
-
-struct _EvView {
- GtkWidget parent_instance;
-
- EvDocument *document;
-
- char *status;
- char *find_status;
-
- /* Scrolling */
- GtkAdjustment *hadjustment;
- GtkAdjustment *vadjustment;
-
- gint scroll_x;
- gint scroll_y;
-
- /* Information for middle clicking and dragging around. */
- DragInfo drag_info;
-
- /* Selection */
- gint motion_x;
- gint motion_y;
- guint selection_update_id;
-
- EvViewSelectionMode selection_mode;
- SelectionInfo selection_info;
-
- int pressed_button;
- EvViewCursor cursor;
- GtkWidget *link_tooltip;
- EvLink *hovered_link;
-
- EvPageCache *page_cache;
- EvPixbufCache *pixbuf_cache;
-
- gint start_page;
- gint end_page;
- gint current_page;
-
- EvJobRender *current_job;
-
- int find_page;
- int find_result;
- int spacing;
-
- int rotation;
- double scale;
-
- gboolean continuous;
- gboolean dual_page;
- gboolean fullscreen;
- gboolean presentation;
- EvSizingMode sizing_mode;
-
- PendingScroll pending_scroll;
- gboolean pending_resize;
-};
-
-struct _EvViewClass {
- GtkWidgetClass parent_class;
-
- void (*set_scroll_adjustments) (EvView *view,
- GtkAdjustment *hadjustment,
- GtkAdjustment *vadjustment);
- void (*binding_activated) (EvView *view,
- GtkScrollType scroll,
- gboolean horizontal);
- void (*zoom_invalid) (EvView *view);
- void (*external_link) (EvView *view,
- EvLink *link);
-};
+#define SCROLL_TIME 150
/*** Scrolling ***/
static void scroll_to_current_page (EvView *view,
gint *page,
gint *x_offset,
gint *y_offset);
-
+static gboolean doc_point_to_view_point (EvView *view,
+ int page,
+ EvPoint *doc_point,
+ GdkPoint *view_point);
/*** Hyperrefs ***/
-static EvLink* get_link_at_location (EvView *view,
- gdouble x,
- gdouble y);
+static EvLink * ev_view_get_link_at_location (EvView *view,
+ gdouble x,
+ gdouble y);
static char* tip_from_link (EvView *view,
EvLink *link);
static void handle_link_over_xy (EvView *view,
GdkEventScroll *event);
static gboolean ev_view_expose_event (GtkWidget *widget,
GdkEventExpose *event);
+static gboolean ev_view_popup_menu (GtkWidget *widget);
static gboolean ev_view_button_press_event (GtkWidget *widget,
GdkEventButton *event);
static gboolean ev_view_motion_notify_event (GtkWidget *widget,
static void ev_view_style_set (GtkWidget *widget,
GtkStyle *old_style);
+static AtkObject *ev_view_get_accessible (GtkWidget *widget);
+
/*** Drawing ***/
static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
static void draw_rubberband (GtkWidget *widget,
static void
scroll_to_current_page (EvView *view, GtkOrientation orientation)
{
- GdkRectangle page_area;
- GtkBorder border;
+ GdkPoint view_point;
if (view->document == NULL) {
return;
}
- get_page_extents (view, view->current_page, &page_area, &border);
+ doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
+
+ if (orientation == GTK_ORIENTATION_VERTICAL) {
+ view->pending_point.y = 0;
+ } else {
+ view->pending_point.x = 0;
+ }
if (orientation == GTK_ORIENTATION_VERTICAL) {
if (view->continuous) {
gtk_adjustment_clamp_page (view->vadjustment,
- page_area.y - view->spacing,
- page_area.y + view->vadjustment->page_size);
+ view_point.y - view->spacing / 2,
+ view_point.y + view->vadjustment->page_size);
} else {
gtk_adjustment_set_value (view->vadjustment,
- view->vadjustment->lower);
+ view_point.y);
}
} else {
if (view->dual_page) {
gtk_adjustment_clamp_page (view->hadjustment,
- page_area.x,
- page_area.x + view->hadjustment->page_size);
+ view_point.x,
+ view_point.x + view->hadjustment->page_size);
} else {
gtk_adjustment_set_value (view->hadjustment,
- CLAMP (view->hadjustment->value,
+ CLAMP (view_point.x,
view->hadjustment->lower,
view->hadjustment->upper -
view->hadjustment->page_size));
case SCROLL_TO_KEEP_POSITION:
factor = (adjustment->value) / adjustment->upper;
break;
- case SCROLL_TO_CURRENT_PAGE:
+ case SCROLL_TO_PAGE_POSITION:
break;
case SCROLL_TO_CENTER:
factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
gtk_adjustment_set_value (adjustment, (int)new_value);
break;
- case SCROLL_TO_CURRENT_PAGE:
+ case SCROLL_TO_PAGE_POSITION:
scroll_to_current_page (view, orientation);
break;
case SCROLL_TO_CENTER:
if (page != selection->page)
continue;
- if (gdk_region_point_in (selection->covered_region, x_offset, y_offset))
+ if (selection->covered_region &&
+ gdk_region_point_in (selection->covered_region, x_offset, y_offset))
return TRUE;
}
/*** Hyperref ***/
static EvLink *
-get_link_at_location (EvView *view,
- gdouble x,
- gdouble y)
+ev_view_get_link_at_location (EvView *view,
+ gdouble x,
+ gdouble y)
{
gint page = -1;
gint x_offset = 0, y_offset = 0;
GList *link_mapping;
+
+ x += view->scroll_x;
+ y += view->scroll_y;
find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
static void
goto_fitr_link (EvView *view, EvLink *link)
{
- GdkPoint view_point;
EvPoint doc_point;
- int doc_width, doc_height, page;
+ int page;
double zoom;
- page = ev_link_get_page (link);
- ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
-
- doc_point.x = ev_link_get_left (link);
- doc_point.y = ev_link_get_top (link);
-
zoom = zoom_for_size_best_fit (ev_link_get_right (link) - ev_link_get_left (link),
ev_link_get_top (link) - ev_link_get_bottom (link),
ev_view_get_width (view),
ev_view_set_sizing_mode (view, EV_SIZING_FREE);
ev_view_set_zoom (view, zoom, FALSE);
- ev_page_cache_set_current_page (view->page_cache, page);
- if (doc_point_to_view_point (view, page, &doc_point, &view_point)) {
- gtk_adjustment_set_value (view->hadjustment, view_point.x);
- gtk_adjustment_set_value (view->vadjustment, view_point.y);
- }
+ page = ev_link_get_page (link);
+ doc_point.x = ev_link_get_left (link);
+ doc_point.y = ev_link_get_top (link);
+
+ view->current_page = page;
+ view->pending_point = doc_point;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+
+ gtk_widget_queue_resize (GTK_WIDGET (view));
}
static void
goto_fitv_link (EvView *view, EvLink *link)
{
- GdkPoint view_point;
EvPoint doc_point;
int doc_width, doc_height, page;
double zoom;
ev_view_set_sizing_mode (view, EV_SIZING_FREE);
ev_view_set_zoom (view, zoom, FALSE);
- ev_page_cache_set_current_page (view->page_cache, page);
- if (doc_point_to_view_point (view, page, &doc_point, &view_point)) {
- gtk_adjustment_set_value (view->hadjustment, view_point.x);
- }
+ view->current_page = page;
+ view->pending_point = doc_point;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+
+ gtk_widget_queue_resize (GTK_WIDGET (view));
}
static void
goto_fith_link (EvView *view, EvLink *link)
{
- GdkPoint view_point;
EvPoint doc_point;
int doc_width, doc_height, page;
double zoom;
ev_view_set_sizing_mode (view, EV_SIZING_FREE);
ev_view_set_zoom (view, zoom, FALSE);
- if (doc_point_to_view_point (view, page, &doc_point, &view_point)) {
- gtk_adjustment_set_value (view->vadjustment, view_point.y);
- } else {
- ev_page_cache_set_current_page (view->page_cache, page);
- }
+ view->current_page = page;
+ view->pending_point = doc_point;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+
+ gtk_widget_queue_resize (GTK_WIDGET (view));
}
static void
ev_view_set_sizing_mode (view, EV_SIZING_FREE);
ev_view_set_zoom (view, zoom, FALSE);
- ev_page_cache_set_current_page (view->page_cache, page);
+
+ view->current_page = page;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+
+ gtk_widget_queue_resize (GTK_WIDGET (view));
}
static void
goto_xyz_link (EvView *view, EvLink *link)
{
- GdkPoint view_point;
EvPoint doc_point;
int height, page;
double zoom;
page = ev_link_get_page (link);
ev_page_cache_get_size (view->page_cache, page, 0, 1.0, NULL, &height);
- ev_view_set_sizing_mode (view, EV_SIZING_FREE);
if (zoom != 0) {
+ ev_view_set_sizing_mode (view, EV_SIZING_FREE);
ev_view_set_zoom (view, zoom, FALSE);
}
doc_point.x = ev_link_get_left (link);
doc_point.y = height - ev_link_get_top (link);
- if (doc_point_to_view_point (view, page, &doc_point, &view_point)) {
- gtk_adjustment_set_value (view->hadjustment, view_point.x);
- gtk_adjustment_set_value (view->vadjustment, view_point.y);
- } else {
- ev_page_cache_set_current_page (view->page_cache, page);
- }
+ view->current_page = page;
+ view->pending_point = doc_point;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+
+ gtk_widget_queue_resize (GTK_WIDGET (view));
}
void
{
EvLink *link;
- link = get_link_at_location (view, x + view->scroll_x, y + view->scroll_y);
+ link = ev_view_get_link_at_location (view, x, y);
if (view->link_tooltip == NULL) {
view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
GDK_SCROLL_MASK |
GDK_KEY_PRESS_MASK |
GDK_POINTER_MOTION_MASK |
+ GDK_POINTER_MOTION_HINT_MASK |
GDK_ENTER_NOTIFY_MASK |
GDK_LEAVE_NOTIFY_MASK;
return FALSE;
}
+static gboolean
+ev_view_popup_menu (GtkWidget *widget)
+{
+ gint x, y;
+ EvLink *link;
+ EvView *view = EV_VIEW (widget);
+
+ gtk_widget_get_pointer (widget, &x, &y);
+ link = ev_view_get_link_at_location (view, x, y);
+ g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
+ return TRUE;
+}
+
static gboolean
ev_view_button_press_event (GtkWidget *widget,
GdkEventButton *event)
{
EvView *view = EV_VIEW (widget);
+ EvLink *link;
if (!GTK_WIDGET_HAS_FOCUS (widget)) {
gtk_widget_grab_focus (widget);
ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
+ return TRUE;
+ case 3:
+ link = ev_view_get_link_at_location (view, event->x, event->y);
+ g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
return TRUE;
}
static gboolean
selection_update_idle_cb (EvView *view)
{
- GdkPoint point;
- point.x = view->motion_x;
- point.y = view->motion_y;
- compute_selections (view, &view->selection_info.start, &point);
-
+ compute_selections (view, &view->selection_info.start, &view->motion);
view->selection_update_id = 0;
return FALSE;
}
+static gboolean
+selection_scroll_timeout_cb (EvView *view)
+{
+ gint x, y, shift = 0;
+ GtkWidget *widget = GTK_WIDGET (view);
+
+ gtk_widget_get_pointer (widget, &x, &y);
+
+ if (y > widget->allocation.height) {
+ shift = (y - widget->allocation.height) / 2;
+ } else if (y < 0) {
+ shift = y / 2;
+ }
+
+ if (shift)
+ gtk_adjustment_set_value (view->vadjustment,
+ CLAMP (view->vadjustment->value + shift,
+ view->vadjustment->lower,
+ view->vadjustment->upper -
+ view->vadjustment->page_size));
+
+ if (x > widget->allocation.width) {
+ shift = (x - widget->allocation.width) / 2;
+ } else if (x < 0) {
+ shift = x / 2;
+ }
+
+ if (shift)
+ gtk_adjustment_set_value (view->hadjustment,
+ CLAMP (view->hadjustment->value + shift,
+ view->hadjustment->lower,
+ view->hadjustment->upper -
+ view->hadjustment->page_size));
+
+ return TRUE;
+}
+
static gboolean
ev_view_motion_notify_event (GtkWidget *widget,
GdkEventMotion *event)
{
EvView *view = EV_VIEW (widget);
+ gint x, y;
if (!view->document)
return FALSE;
+
+ if (event->is_hint || event->window != widget->window) {
+ gtk_widget_get_pointer (widget, &x, &y);
+ } else {
+ x = event->x;
+ y = event->y;
+ }
if (view->selection_info.in_drag) {
if (gtk_drag_check_threshold (widget,
view->selection_info.start.x,
view->selection_info.start.y,
- event->x, event->y)) {
+ x, y)) {
GdkDragContext *context;
GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
* documents only.
*/
if (view->pressed_button == 1 && view->rotation == 0) {
+
+ /* Schedule timeout to scroll during selection and additionally
+ * scroll once to allow arbitrary speed. */
+ if (!view->selection_scroll_id)
+ view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
+ else
+ selection_scroll_timeout_cb (view);
+
view->selection_info.in_selection = TRUE;
- view->motion_x = event->x + view->scroll_x;
- view->motion_y = event->y + view->scroll_y;
+ view->motion.x = x + view->scroll_x;
+ view->motion.y = y + view->scroll_y;
/* Queue an idle to handle the motion. We do this because
* handling any selection events in the motion could be slower
* than new motion events reach us. We always put it in the
* idle to make sure we catch up and don't visibly lag the
* mouse. */
- if (! view->selection_update_id)
+ if (!view->selection_update_id)
view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
return TRUE;
*/
} else if (view->pressed_button <= 0 &&
view->rotation == 0) {
- handle_link_over_xy (view, event->x, event->y);
+ handle_link_over_xy (view, x, y);
return TRUE;
}
}
if (view->document) {
- link = get_link_at_location (view, event->x + view->scroll_x,
- event->y + view->scroll_y);
+ link = ev_view_get_link_at_location (view, event->x, event->y);
} else {
link = NULL;
}
view->pressed_button = -1;
view->drag_info.in_drag = FALSE;
+ if (view->selection_scroll_id) {
+ g_source_remove (view->selection_scroll_id);
+ view->selection_scroll_id = 0;
+ }
+ if (view->selection_update_id) {
+ g_source_remove (view->selection_update_id);
+ view->selection_update_id = 0;
+ }
+
if (view->selection_info.selections) {
ev_view_update_primary_selection (view);
GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
}
-
/*** Drawing ***/
static guint32
gtk_widget_destroy (view->link_tooltip);
}
+ if (view->selection_scroll_id) {
+ g_source_remove (view->selection_scroll_id);
+ view->selection_scroll_id = 0;
+ }
+
+ if (view->selection_update_id) {
+ g_source_remove (view->selection_update_id);
+ view->selection_update_id = 0;
+ }
+
ev_view_set_scroll_adjustments (view, NULL, NULL);
GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
}
}
+static AtkObject *
+ev_view_get_accessible (GtkWidget *widget)
+{
+ static gboolean first_time = TRUE;
+
+ if (first_time) {
+ AtkObjectFactory *factory;
+ AtkRegistry *registry;
+ GType derived_type;
+ GType derived_atk_type;
+
+ /*
+ * Figure out whether accessibility is enabled by looking at the
+ * type of the accessible object which would be created for
+ * the parent type of EvView.
+ */
+ derived_type = g_type_parent (EV_TYPE_VIEW);
+
+ registry = atk_get_default_registry ();
+ factory = atk_registry_get_factory (registry,
+ derived_type);
+ derived_atk_type = atk_object_factory_get_accessible_type (factory);
+ if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
+ atk_registry_set_factory_type (registry,
+ EV_TYPE_VIEW,
+ ev_view_accessible_factory_get_type ());
+ first_time = FALSE;
+ }
+ return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
+}
+
static void
ev_view_get_property (GObject *object,
guint prop_id,
case PROP_ROTATION:
g_value_set_int (value, view->rotation);
break;
+ case PROP_HAS_SELECTION:
+ g_value_set_boolean (value,
+ view->selection_info.selections != NULL);
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
widget_class->button_release_event = ev_view_button_release_event;
widget_class->focus_in_event = ev_view_focus_in;
widget_class->focus_out_event = ev_view_focus_out;
+ widget_class->get_accessible = ev_view_get_accessible;
widget_class->size_request = ev_view_size_request;
widget_class->size_allocate = ev_view_size_allocate;
widget_class->realize = ev_view_realize;
widget_class->leave_notify_event = ev_view_leave_notify_event;
widget_class->style_set = ev_view_style_set;
widget_class->drag_data_get = ev_view_drag_data_get;
+ widget_class->popup_menu = ev_view_popup_menu;
gtk_object_class->destroy = ev_view_destroy;
class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
G_TYPE_OBJECT);
+ signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvViewClass, popup_menu),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__OBJECT,
+ G_TYPE_NONE, 1,
+ G_TYPE_OBJECT);
g_object_class_install_property (object_class,
PROP_STATUS,
360,
0,
G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_HAS_SELECTION,
+ g_param_spec_boolean ("has-selection",
+ "Has selection",
+ "The view has selections",
+ FALSE,
+ G_PARAM_READABLE));
binding_set = gtk_binding_set_by_class (class);
view->pressed_button = -1;
view->cursor = EV_VIEW_CURSOR_NORMAL;
view->drag_info.in_drag = FALSE;
+ view->selection_info.selections = NULL;
view->selection_info.in_selection = FALSE;
view->selection_info.in_drag = FALSE;
view->selection_mode = EV_VIEW_SELECTION_TEXT;
if (view->current_page != new_page) {
view->current_page = new_page;
- view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
gtk_widget_queue_resize (GTK_WIDGET (view));
if (EV_IS_DOCUMENT_FIND (view->document)) {
if (view->continuous != continuous) {
view->continuous = continuous;
- view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
gtk_widget_queue_resize (GTK_WIDGET (view));
}
if (view->dual_page == dual_page)
return;
- view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
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.
return;
view->presentation = presentation;
- view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
gtk_widget_queue_resize (GTK_WIDGET (view));
if (GTK_WIDGET_REALIZED (view)) {
g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
view->selection_info.selections = new_list;
ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
+ g_object_notify (G_OBJECT (view), "has-selection");
new_list_ptr = new_list;
old_list_ptr = old_list;
g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
view->selection_info.selections = NULL;
view->selection_info.in_selection = FALSE;
+ g_object_notify (G_OBJECT (view), "has-selection");
}
}
ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
+ g_object_notify (G_OBJECT (view), "has-selection");
gtk_widget_queue_draw (GTK_WIDGET (view));
}
+gboolean
+ev_view_get_has_selection (EvView *view)
+{
+ return view->selection_info.selections != NULL;
+}
+
static char *
get_selected_text (EvView *ev_view)
{
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