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Some more work towards GTK+3

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For some reason the page widget is really large (641203x906843 pixels). This
makes everything fail, i.e the GTK+3 stuff is not ready.
This commit is contained in:
Sebastian Ramacher 2012-02-14 14:26:44 +01:00
parent 69b5cb0be5
commit fd4429716f
1 changed files with 30 additions and 10 deletions
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40
page_widget.c
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@ -29,7 +29,10 @@ typedef struct zathura_page_widget_private_s {
#define ZATHURA_PAGE_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), ZATHURA_TYPE_PAGE, zathura_page_widget_private_t))
static gboolean zathura_page_widget_draw(GtkWidget* widget, cairo_t* cairo);
#if GTK_MAJOR_VERSION == 2
static gboolean zathura_page_widget_expose(GtkWidget* widget, GdkEventExpose* event);
#endif
static void zathura_page_widget_finalize(GObject* object);
static void zathura_page_widget_set_property(GObject* object, guint prop_id, const GValue* value, GParamSpec* pspec);
static void zathura_page_widget_get_property(GObject* object, guint prop_id, GValue* value, GParamSpec* pspec);
@ -61,7 +64,11 @@ zathura_page_widget_class_init(ZathuraPageClass* class)
/* overwrite methods */
GtkWidgetClass* widget_class = GTK_WIDGET_CLASS(class);
#if GTK_MAJOR_VERSION == 3
widget_class->draw = zathura_page_widget_draw;
#else
widget_class->expose_event = zathura_page_widget_expose;
#endif
widget_class->size_allocate = zathura_page_widget_size_allocate;
widget_class->button_press_event = cb_zathura_page_widget_button_press_event;
widget_class->button_release_event = cb_zathura_page_widget_button_release_event;
@ -219,6 +226,7 @@ zathura_page_widget_get_property(GObject* object, guint prop_id, GValue* value,
}
}
#if GTK_MAJOR_VERSION == 2
static gboolean
zathura_page_widget_expose(GtkWidget* widget, GdkEventExpose* event)
{
@ -232,14 +240,29 @@ zathura_page_widget_expose(GtkWidget* widget, GdkEventExpose* event)
cairo_rectangle(cairo, event->area.x, event->area.y, event->area.width, event->area.height);
cairo_clip(cairo);
const gboolean ret = zathura_page_widget_draw(widget, cairo);
cairo_destroy(cairo);
return ret;
}
#endif
static gboolean
zathura_page_widget_draw(GtkWidget* widget, cairo_t* cairo)
{
zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);
g_static_mutex_lock(&(priv->lock));
#if GTK_MAJOR_VERSION == 2
const unsigned int page_height = widget->allocation.height;
const unsigned int page_width = widget->allocation.width;
#else
const unsigned int page_height = gtk_widget_get_allocated_height(widget);
const unsigned int page_width = gtk_widget_get_allocated_width(widget);
#endif
if (priv->surface != NULL) {
cairo_save(cairo);
unsigned int page_height = widget->allocation.height;
unsigned int page_width = widget->allocation.width;
switch (priv->page->document->rotate) {
case 90:
cairo_translate(cairo, page_width, 0);
@ -325,7 +348,7 @@ zathura_page_widget_expose(GtkWidget* widget, GdkEventExpose* event)
} else {
/* set background color */
cairo_set_source_rgb(cairo, 255, 255, 255);
cairo_rectangle(cairo, 0, 0, widget->allocation.width, widget->allocation.height);
cairo_rectangle(cairo, 0, 0, page_width, page_height);
cairo_fill(cairo);
bool render_loading = true;
@ -339,8 +362,8 @@ zathura_page_widget_expose(GtkWidget* widget, GdkEventExpose* event)
cairo_set_font_size(cairo, 16.0);
cairo_text_extents_t extents;
cairo_text_extents(cairo, text, &extents);
double x = widget->allocation.width * 0.5 - (extents.width * 0.5 + extents.x_bearing);
double y = widget->allocation.height * 0.5 - (extents.height * 0.5 + extents.y_bearing);
double x = page_width * 0.5 - (extents.width * 0.5 + extents.x_bearing);
double y = page_height * 0.5 - (extents.height * 0.5 + extents.y_bearing);
cairo_move_to(cairo, x, y);
cairo_show_text(cairo, text);
}
@ -348,8 +371,6 @@ zathura_page_widget_expose(GtkWidget* widget, GdkEventExpose* event)
/* render real page */
render_page(priv->zathura->sync.render_thread, priv->page);
}
cairo_destroy(cairo);
g_static_mutex_unlock(&(priv->lock));
return FALSE;
}
@ -392,8 +413,7 @@ redraw_rect(ZathuraPage* widget, zathura_rectangle_t* rectangle)
grect.width = rectangle->x2 - rectangle->x1;
grect.height = rectangle->y2 - rectangle->y1;
#if (GTK_MAJOR_VERSION == 3)
/* gtk_widget_get_parent_window is wrong here */
gdk_window_invalidate_rect(gtk_widget_get_parent_window(GTK_WIDGET(widget)), &grect, TRUE);
gtk_widget_queue_draw_area(GTK_WIDGET(widget), grect.x, grect.y, grect.width, grect.height);
#else
gdk_window_invalidate_rect(GTK_WIDGET(widget)->window, &grect, TRUE);
#endif