TARGET_TEXT_BUFFER_CONTENTS
};
+enum {
+ EV_SCROLL_PAGE_FORWARD,
+ EV_SCROLL_PAGE_BACKWARD
+};
+
static const GtkTargetEntry targets[] = {
{ "STRING", 0, TARGET_STRING },
{ "TEXT", 0, TARGET_TEXT },
GtkWidget parent_instance;
EvDocument *document;
-
+
GdkWindow *bin_window;
char *status;
char *find_status;
-
+
int scroll_x;
int scroll_y;
void (*scroll_view) (EvView *view,
GtkScrollType scroll,
gboolean horizontal);
-
+
};
static void ev_view_set_scroll_adjustments (EvView *view,
GtkAdjustment *hadjustment,
GtkAdjustment *vadjustment);
-
+
G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
-/*** Helper functions ***/
-
+/*** 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);
if (!adjustment)
return;
-
+
adjustment->page_size = allocation;
adjustment->step_increment = allocation * 0.1;
adjustment->page_increment = allocation * 0.9;
gtk_adjustment_value_changed (adjustment);
}
-/*** Virtual function implementations ***/
-
+/*** Virtual function implementations ***/
+
static void
ev_view_finalize (GObject *object)
{
view->pixbuf_cache = NULL;
}
ev_view_set_scroll_adjustments (view, NULL, NULL);
-
+
GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
}
&width, &height);
ev_document_misc_get_page_border_size (width, height, &border);
-
+
*x_offset = view->spacing;
*y_offset = view->spacing;
target_width = width + border.left + border.right + view->spacing * 2;
{
int x_offset, y_offset;
- ev_view_get_offsets (view, &x_offset, &y_offset);
+ ev_view_get_offsets (view, &x_offset, &y_offset);
doc_rect->x = (view_rect->x - x_offset) / view->scale;
doc_rect->y = (view_rect->y - y_offset) / view->scale;
doc_rect->width = view_rect->width / view->scale;
{
int x_offset, y_offset;
- ev_view_get_offsets (view, &x_offset, &y_offset);
+ ev_view_get_offsets (view, &x_offset, &y_offset);
view_rect->x = doc_rect->x * view->scale + x_offset;
view_rect->y = doc_rect->y * view->scale + y_offset;
view_rect->width = doc_rect->width * view->scale;
requisition->width = width + border.left + border.right +
view->spacing * 2;
}
-
+
if (view->height >= 0) {
requisition->height = 0;
} else {
GdkWindowAttr attributes;
GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
-
+
attributes.window_type = GDK_WINDOW_CHILD;
attributes.wclass = GDK_INPUT_OUTPUT;
attributes.visual = gtk_widget_get_visual (widget);
attributes.colormap = gtk_widget_get_colormap (widget);
-
+
attributes.x = widget->allocation.x;
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_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);
GDK_KEY_PRESS_MASK |
GDK_POINTER_MOTION_MASK |
GDK_LEAVE_NOTIFY_MASK;
-
+
view->bin_window = gdk_window_new (widget->window,
&attributes,
GDK_WA_X | GDK_WA_Y |
guint fill_color;
int x_offset, y_offset;
- ev_view_get_offsets (EV_VIEW (widget), &x_offset, &y_offset);
+ ev_view_get_offsets (EV_VIEW (widget), &x_offset, &y_offset);
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;
g_mutex_lock (EV_DOC_MUTEX);
results = ev_document_find_get_n_results (find);
g_mutex_unlock (EV_DOC_MUTEX);
-
+
for (i = 0; i < results; i++) {
GdkRectangle rectangle;
guchar alpha;
if (view->document == NULL)
return;
- ev_view_get_offsets (view, &x_offset, &y_offset);
+ ev_view_get_offsets (view, &x_offset, &y_offset);
ev_page_cache_get_size (view->page_cache,
view->current_page,
view->scale,
&width, &height);
ev_document_misc_get_page_border_size (width, height, &border);
-
+
/* Paint the frame */
area.x = x_offset;
area.y = y_offset;
char *page_label;
type = ev_link_get_link_type (link);
-
+
switch (type) {
case EV_LINK_TYPE_TITLE:
if (ev_link_get_title (link))
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");
to_set = &view->hadjustment;
else
to_set = &view->vadjustment;
-
+
if (*to_set != adjustment) {
if (*to_set) {
g_signal_handlers_disconnect_by_func (*to_set,
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);
}
+static void
+ev_view_jump (EvView *view,
+ GtkScrollType 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_scroll_view (EvView *view,
GtkScrollType scroll,
ev_page_cache_prev_page (view->page_cache);
} else if (scroll == GTK_SCROLL_PAGE_FORWARD) {
ev_page_cache_next_page (view->page_cache);
+ } else if (scroll == EV_SCROLL_PAGE_BACKWARD || scroll == EV_SCROLL_PAGE_FORWARD) {
+ ev_view_jump (view, scroll);
} else {
GtkAdjustment *adjustment;
double value;
if (horizontal) {
- adjustment = view->hadjustment;
+ adjustment = view->hadjustment;
} else {
adjustment = view->vadjustment;
}
value = adjustment->value;
switch (scroll) {
- case GTK_SCROLL_STEP_BACKWARD:
- value -= adjustment->step_increment;
+ case GTK_SCROLL_STEP_BACKWARD:
+ value -= adjustment->step_increment;
break;
case GTK_SCROLL_STEP_FORWARD:
- value += adjustment->step_increment;
+ value += adjustment->step_increment;
break;
default:
break;
add_scroll_binding (binding_set, GDK_Page_Up, GTK_SCROLL_PAGE_BACKWARD, FALSE);
add_scroll_binding (binding_set, GDK_Page_Down, GTK_SCROLL_PAGE_FORWARD, FALSE);
+
+ add_scroll_binding (binding_set, GDK_space, EV_SCROLL_PAGE_FORWARD, FALSE);
+ add_scroll_binding (binding_set, GDK_BackSpace, EV_SCROLL_PAGE_BACKWARD, FALSE);
}
static void
message = g_strdup_printf (_("%3d%% remaining to search"),
(int) ((1.0 - percent) * 100));
}
-
+
}
// g_mutex_unlock (EV_DOC_MUTEX);
}
#endif
}
-/*** Public API ***/
-
+/*** Public API ***/
+
GtkWidget*
ev_view_new (void)
{
gtk_widget_queue_resize (GTK_WIDGET (view));
else
gtk_widget_queue_draw (GTK_WIDGET (view));
-
+
gtk_adjustment_set_value (view->vadjustment,
view->vadjustment->lower);
view);
g_object_unref (view->document);
view->page_cache = NULL;
-
+
}
view->document = document;
view->pixbuf_cache = ev_pixbuf_cache_new (view->document);
g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
}
-
+
gtk_widget_queue_resize (GTK_WIDGET (view));
}
}
int page;
type = ev_link_get_link_type (link);
-
+
switch (type) {
case EV_LINK_TYPE_TITLE:
break;
void
ev_view_show_cursor (EvView *view)
{
- ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
}
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff