*/
#include <math.h>
+#include <string.h>
#include <gtk/gtkalignment.h>
#include <glib/gi18n.h>
#include <gtk/gtkbindings.h>
#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,
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;
- 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);
-};
-
/*** Scrolling ***/
static void scroll_to_current_page (EvView *view,
GtkOrientation orientation);
gdouble y);
static char* tip_from_link (EvView *view,
EvLink *link);
-
+static void handle_link_over_xy (EvView *view,
+ gint x,
+ gint y);
/*** GtkWidget implementation ***/
static void ev_view_size_request_continuous_dual_page (EvView *view,
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,
GdkEventMotion *event);
static gboolean ev_view_button_release_event (GtkWidget *widget,
GdkEventButton *event);
+static gboolean ev_view_enter_notify_event (GtkWidget *widget,
+ GdkEventCrossing *event);
static gboolean ev_view_leave_notify_event (GtkWidget *widget,
GdkEventCrossing *event);
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,
int target_width,
int target_height,
int vsb_width);
+static double zoom_for_size_fit_height (int doc_width,
+ int doc_height,
+ int target_width,
+ int target_height,
+ int vsb_height);
static double zoom_for_size_best_fit (int doc_width,
int doc_height,
int target_width,
view->start_page = view->current_page;
if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
view->end_page = view->start_page + 1;
+ else
+ view->end_page = view->start_page;
} else {
view->start_page = view->current_page - 1;
view->end_page = view->current_page;
if (view->presentation) {
switch (scroll) {
case GTK_SCROLL_STEP_BACKWARD:
- ev_page_cache_prev_page (view->page_cache);
+ ev_view_previous_page (view);
break;
case GTK_SCROLL_STEP_FORWARD:
- ev_page_cache_next_page (view->page_cache);
+ ev_view_next_page (view);
break;
default:
break;
doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
}
-static void
+static gboolean
doc_point_to_view_point (EvView *view,
int page,
EvPoint *doc_point,
{
GdkRectangle page_area;
GtkBorder border;
- double x, y;
+ double x, y, view_x, view_y;
int width, height;
ev_page_cache_get_size (view->page_cache, page,
get_page_extents (view, page, &page_area, &border);
- view_point->x = x * view->scale + page_area.x;
- view_point->y = y * view->scale + page_area.y;
+ view_x = x * view->scale;
+ view_y = y * view->scale;
+ view_point->x = view_x + page_area.x;
+ view_point->y = view_y + page_area.y;
+
+ return (view_x > 0 && view_x <= page_area.width &&
+ view_y > 0 && view_y <= page_area.height);
}
static void
return FALSE;
}
+static int
+ev_view_get_width (EvView *view)
+{
+ return GTK_WIDGET (view)->allocation.width;
+}
+
+static int
+ev_view_get_height (EvView *view)
+{
+ return GTK_WIDGET (view)->allocation.height;
+}
+
+static gboolean
+location_in_selected_text (EvView *view,
+ gdouble x,
+ gdouble y)
+{
+ gint page = -1;
+ gint x_offset = 0, y_offset = 0;
+ EvViewSelection *selection;
+ GList *l = NULL;
+
+ for (l = view->selection_info.selections; l != NULL; l = l->next) {
+ selection = (EvViewSelection *)l->data;
+
+ find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
+
+ if (page != selection->page)
+ continue;
+
+ if (selection->covered_region &&
+ gdk_region_point_in (selection->covered_region, x_offset, y_offset))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
/*** Hyperref ***/
static EvLink *
get_link_at_location (EvView *view,
return NULL;
}
+static void
+goto_fitr_link (EvView *view, EvLink *link)
+{
+ GdkPoint view_point;
+ EvPoint doc_point;
+ int doc_width, doc_height, 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_get_height (view), 0, 0);
+
+ 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);
+ }
+}
+
+static void
+goto_fitv_link (EvView *view, EvLink *link)
+{
+ GdkPoint view_point;
+ EvPoint doc_point;
+ int doc_width, doc_height, 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 = 0;
+
+ zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
+ ev_view_get_width (view),
+ ev_view_get_height (view), 0);
+
+ 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);
+ }
+}
+
+static void
+goto_fith_link (EvView *view, EvLink *link)
+{
+ GdkPoint view_point;
+ EvPoint doc_point;
+ int doc_width, doc_height, 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 = 0;
+ doc_point.y = doc_height - ev_link_get_top (link);
+
+ zoom = zoom_for_size_fit_width (doc_width, ev_link_get_top (link),
+ ev_view_get_width (view),
+ ev_view_get_height (view), 0);
+
+ 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);
+ }
+}
+
+static void
+goto_fit_link (EvView *view, EvLink *link)
+{
+ double zoom;
+ int doc_width, doc_height;
+ int page;
+
+ page = ev_link_get_page (link);
+ ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
+
+ zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
+ ev_view_get_height (view), 0, 0);
+
+ 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);
+}
+
static void
goto_xyz_link (EvView *view, EvLink *link)
{
doc_point.x = ev_link_get_left (link);
doc_point.y = height - ev_link_get_top (link);
- 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);
+ 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);
+ }
}
void
ev_view_goto_link (EvView *view, EvLink *link)
{
EvLinkType type;
- const char *uri;
int page;
type = ev_link_get_link_type (link);
page = ev_link_get_page (link);
ev_page_cache_set_current_page (view->page_cache, page);
break;
+ case EV_LINK_TYPE_PAGE_FIT:
+ goto_fit_link (view, link);
+ break;
+ case EV_LINK_TYPE_PAGE_FITH:
+ goto_fith_link (view, link);
+ break;
+ case EV_LINK_TYPE_PAGE_FITV:
+ goto_fitv_link (view, link);
+ break;
+ case EV_LINK_TYPE_PAGE_FITR:
+ goto_fitr_link (view, link);
+ break;
case EV_LINK_TYPE_PAGE_XYZ:
goto_xyz_link (view, link);
break;
case EV_LINK_TYPE_EXTERNAL_URI:
- uri = ev_link_get_uri (link);
- gnome_vfs_url_show (uri);
+ case EV_LINK_TYPE_LAUNCH:
+ g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, link);
break;
}
}
return msg;
}
+static void
+handle_link_over_xy (EvView *view, gint x, gint y)
+{
+ EvLink *link;
+
+ link = get_link_at_location (view, x + view->scroll_x, y + view->scroll_y);
+
+ if (view->link_tooltip == NULL) {
+ view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
+ }
+
+ if (view->hovered_link != link) {
+ view->hovered_link = link;
+ ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
+ }
+
+ if (link) {
+ char *msg = tip_from_link (view, link);
+
+ if (msg && g_utf8_validate (msg, -1, NULL)) {
+ EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
+
+ ev_tooltip_set_position (tooltip, x, y);
+ ev_tooltip_set_text (tooltip, msg);
+ ev_tooltip_activate (tooltip);
+ }
+ g_free (msg);
+
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
+ } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
+ } else {
+ ev_view_set_status (view, NULL);
+ if (view->cursor == EV_VIEW_CURSOR_LINK ||
+ view->cursor == EV_VIEW_CURSOR_IBEAM)
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
+ }
+ return;
+}
/*** GtkWidget implementation ***/
EvView *view = EV_VIEW (widget);
if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
- view->sizing_mode == EV_SIZING_BEST_FIT) {
+ view->sizing_mode == EV_SIZING_BEST_FIT) {
g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
GDK_SCROLL_MASK |
GDK_KEY_PRESS_MASK |
GDK_POINTER_MOTION_MASK |
+ GDK_ENTER_NOTIFY_MASK |
GDK_LEAVE_NOTIFY_MASK;
widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
}
-static void
-ev_view_unrealize (GtkWidget *widget)
-{
- GTK_WIDGET_CLASS (ev_view_parent_class)->unrealize (widget);
-}
-
static gboolean
ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
{
- EvView *view = EV_VIEW (widget);
+ EvView *view = EV_VIEW (widget);
+ guint state;
- if ((event->state & GDK_CONTROL_MASK) != 0) {
+ state = event->state & gtk_accelerator_get_default_mod_mask ();
- ev_view_set_sizing_mode (view, EV_SIZING_FREE);
+ if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
+ ev_view_set_sizing_mode (view, EV_SIZING_FREE);
+
+ if (event->direction == GDK_SCROLL_UP ||
+ event->direction == GDK_SCROLL_LEFT) {
+ if (ev_view_can_zoom_in (view)) {
+ ev_view_zoom_in (view);
+ }
+ } else {
+ if (ev_view_can_zoom_out (view)) {
+ ev_view_zoom_out (view);
+ }
+ }
- if (event->direction == GDK_SCROLL_UP ||
- event->direction == GDK_SCROLL_LEFT) {
- if (ev_view_can_zoom_in (view)) {
- ev_view_zoom_in (view);
- }
- } else {
- if (ev_view_can_zoom_out (view)) {
- ev_view_zoom_out (view);
- }
- }
- return TRUE;
+ return TRUE;
}
- if ((event->state & GDK_SHIFT_MASK) != 0) {
+ /* Shift+Wheel scrolls the in the perpendicular direction */
+ if (state & GDK_SHIFT_MASK) {
if (event->direction == GDK_SCROLL_UP)
event->direction = GDK_SCROLL_LEFT;
+ if (event->direction == GDK_SCROLL_LEFT)
+ event->direction = GDK_SCROLL_UP;
if (event->direction == GDK_SCROLL_DOWN)
event->direction = GDK_SCROLL_RIGHT;
+ if (event->direction == GDK_SCROLL_RIGHT)
+ event->direction = GDK_SCROLL_DOWN;
+
+ event->state &= ~GDK_SHIFT_MASK;
+ state &= ~GDK_SHIFT_MASK;
+ }
+
+ if (state == 0 && view->presentation) {
+ switch (event->direction) {
+ case GDK_SCROLL_DOWN:
+ case GDK_SCROLL_RIGHT:
+ ev_view_next_page (view);
+ break;
+ case GDK_SCROLL_UP:
+ case GDK_SCROLL_LEFT:
+ ev_view_previous_page (view);
+ break;
+ }
+
+ return TRUE;
}
return FALSE;
GdkEventButton *event)
{
EvView *view = EV_VIEW (widget);
-
+
if (!GTK_WIDGET_HAS_FOCUS (widget)) {
gtk_widget_grab_focus (widget);
}
-
+
view->pressed_button = event->button;
-
+ view->selection_info.in_drag = FALSE;
+
switch (event->button) {
- case 1:
+ case 1:
if (view->selection_info.selections) {
- clear_selection (view);
+ if (location_in_selected_text (view,
+ event->x + view->scroll_x,
+ event->y + view->scroll_y)) {
+ view->selection_info.in_drag = TRUE;
+ } else {
+ clear_selection (view);
+ }
+
gtk_widget_queue_draw (widget);
}
view->selection_info.start.x = event->x + view->scroll_x;
view->selection_info.start.y = event->y + view->scroll_y;
+
return TRUE;
case 2:
/* use root coordinates as reference point because
return TRUE;
}
-
+
return FALSE;
}
+static void
+ev_view_drag_data_get (GtkWidget *widget,
+ GdkDragContext *context,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time)
+{
+ EvView *view = EV_VIEW (widget);
+
+ if (view->selection_info.selections &&
+ ev_document_can_get_text (view->document)) {
+ gchar *text;
+
+ text = get_selected_text (view);
+
+ gtk_selection_data_set_text (selection_data, text, strlen (text));
+
+ g_free (text);
+ }
+}
static gboolean
selection_update_idle_cb (EvView *view)
if (!view->document)
return FALSE;
+ 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)) {
+ GdkDragContext *context;
+ GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
+
+ gtk_target_list_add_text_targets (target_list, 0);
+
+ context = gtk_drag_begin (widget, target_list,
+ GDK_ACTION_COPY,
+ 1, (GdkEvent *)event);
+
+ view->selection_info.in_drag = FALSE;
+
+ gtk_target_list_unref (target_list);
+
+ return TRUE;
+ }
+ }
+
/* For the Evince 0.4.x release, we limit selection to un-rotated
* documents only.
*/
- if (view->pressed_button == 1 &&
- view->rotation == 0) {
+ if (view->pressed_button == 1 && view->rotation == 0) {
view->selection_info.in_selection = TRUE;
view->motion_x = event->x + view->scroll_x;
view->motion_y = event->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
+ /* 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)
view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
*/
} else if (view->pressed_button <= 0 &&
view->rotation == 0) {
- EvLink *link;
-
- link = get_link_at_location (view, event->x + view->scroll_x, event->y + view->scroll_y);
-
- if (view->link_tooltip == NULL) {
- view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
- }
-
- if (view->hovered_link != link) {
- view->hovered_link = link;
- ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
- }
-
- if (link) {
- char *msg = tip_from_link (view, link);
-
- ev_tooltip_set_position (EV_TOOLTIP (view->link_tooltip), event->x, event->y);
- ev_tooltip_set_text (EV_TOOLTIP (view->link_tooltip), msg);
- ev_tooltip_activate (EV_TOOLTIP (view->link_tooltip));
- g_free (msg);
-
- ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
- } else if (location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y)) {
- ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
- } else {
- ev_view_set_status (view, NULL);
- if (view->cursor == EV_VIEW_CURSOR_LINK ||
- view->cursor == EV_VIEW_CURSOR_IBEAM)
- ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
- }
+ handle_link_over_xy (view, event->x, event->y);
return TRUE;
}
GdkEventButton *event)
{
EvView *view = EV_VIEW (widget);
+ EvLink *link;
if (view->pressed_button == 2) {
ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
}
+ if (view->document) {
+ link = get_link_at_location (view, event->x + view->scroll_x,
+ event->y + view->scroll_y);
+ } else {
+ link = NULL;
+ }
+
view->pressed_button = -1;
view->drag_info.in_drag = FALSE;
if (view->selection_info.selections) {
ev_view_update_primary_selection (view);
- } else if (view->document) {
- EvLink *link;
-
- link = get_link_at_location (view, event->x + view->scroll_x, event->y + view->scroll_y);
- if (link) {
- ev_view_goto_link (view, link);
+
+ if (view->selection_info.in_drag) {
+ clear_selection (view);
+ gtk_widget_queue_draw (widget);
+ }
+
+ view->selection_info.in_drag = FALSE;
+ } else if (link) {
+ ev_view_goto_link (view, link);
+ } else if (view->presentation) {
+ switch (event->button) {
+ case 1:
+ ev_view_next_page (view);
+ return TRUE;
+ case 3:
+ ev_view_previous_page (view);
+ return TRUE;
}
}
-
+
return FALSE;
}
view->cursor == EV_VIEW_CURSOR_IBEAM)
ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
+ if (view->link_tooltip) {
+ view->hovered_link = NULL;
+ ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
+ }
+
+ return FALSE;
+}
+
+static gboolean
+ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
+{
+ EvView *view = EV_VIEW (widget);
+
+ handle_link_over_xy (view, event->x, event->y);
+
return FALSE;
}
GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
}
-
/*** Drawing ***/
static guint32
}
}
+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->unrealize = ev_view_unrealize;
widget_class->scroll_event = ev_view_scroll_event;
+ widget_class->enter_notify_event = ev_view_enter_notify_event;
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;
gtk_object_class->destroy = ev_view_destroy;
class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
NULL, NULL,
ev_marshal_VOID__VOID,
G_TYPE_NONE, 0, G_TYPE_NONE);
+ signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvViewClass, external_link),
+ 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;
view->continuous = TRUE;
view->dual_page = FALSE;
return scale;
}
+static double
+zoom_for_size_fit_height (int doc_width,
+ int doc_height,
+ int target_width,
+ int target_height,
+ int vsb_height)
+{
+ double scale;
+
+ scale = (double)target_height / doc_height;
+
+ if (doc_width * scale > target_width)
+ scale = (double) (target_height - vsb_height) / doc_height;
+
+ return scale;
+}
+
static double
zoom_for_size_best_fit (int doc_width,
int doc_height,
gboolean
ev_view_can_find_next (EvView *view)
{
- int n_results = 0;
-
if (EV_IS_DOCUMENT_FIND (view->document)) {
EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
+ int i, n_pages;
- n_results = ev_document_find_get_n_results (find, view->current_page);
+ n_pages = ev_page_cache_get_n_pages (view->page_cache);
+ for (i = 0; i < n_pages; i++) {
+ if (ev_document_find_get_n_results (find, i) > 0) {
+ return TRUE;
+ }
+ }
}
- return n_results > 0;
+ return FALSE;
}
void
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)
{
ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
}
+gboolean
+ev_view_next_page (EvView *view)
+{
+ int page;
+
+ g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
+
+ page = ev_page_cache_get_current_page (view->page_cache);
+ page = ev_view_get_dual_page (view) ? page + 2 : page + 1;
+
+ if (page < ev_page_cache_get_n_pages (view->page_cache)) {
+ ev_page_cache_set_current_page (view->page_cache, page);
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+}
+
+gboolean
+ev_view_previous_page (EvView *view)
+{
+ int page;
+
+ g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
+
+ page = ev_page_cache_get_current_page (view->page_cache);
+ page = ev_view_get_dual_page (view) ? page - 2 : page - 1;
+
+ if (page >= 0) {
+ ev_page_cache_set_current_page (view->page_cache, page);
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+}
+
/*** Enum description for usage in signal ***/
GType
}
return etype;
}
-
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff