Remove GTK+2 support

Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>

config.c

@@ -15,7 +15,6 @@
 #include <girara/shortcuts.h>
 #include <girara/config.h>
 #include <girara/commands.h>
-#include <girara/gtk2-compat.h>
 #include <glib/gi18n.h>
 
 static void

page-widget.c

@@ -61,9 +61,6 @@ typedef struct zathura_page_widget_private_s {
                                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);
@@ -111,11 +108,7 @@ zathura_page_widget_class_init(ZathuraPageClass* class)
 
   /* overwrite methods */
   GtkWidgetClass* widget_class = GTK_WIDGET_CLASS(class);
-#if GTK_MAJOR_VERSION == 2
-  widget_class->expose_event         = zathura_page_widget_expose;
-#else
   widget_class->draw                 = zathura_page_widget_draw;
-#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;
@@ -368,43 +361,15 @@ 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)
-{
-  cairo_t* cairo = gdk_cairo_create(gtk_widget_get_window(widget));
-  if (cairo == NULL) {
-    girara_error("Could not retrieve cairo object");
-    return FALSE;
-  }
-
-  /* set clip region */
-  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);
   mutex_lock(&(priv->lock));
 
-  zathura_document_t* document = zathura_page_get_document(priv->page);
+  zathura_document_t* document   = zathura_page_get_document(priv->page);
-
-#if GTK_MAJOR_VERSION == 2
-  GtkAllocation allocation;
-  gtk_widget_get_allocation(widget, &allocation);
-  const unsigned int page_height = allocation.height;
-  const unsigned int page_width  = 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);
@@ -620,11 +585,7 @@ redraw_rect(ZathuraPage* widget, zathura_rectangle_t* rectangle)
   grect.y = rectangle->y1;
   grect.width  = (rectangle->x2 + 1) - rectangle->x1;
   grect.height = (rectangle->y2 + 1) - rectangle->y1;
-#if GTK_MAJOR_VERSION == 2
-  gdk_window_invalidate_rect(gtk_widget_get_window(GTK_WIDGET(widget)), &grect, TRUE);
-#else
   gtk_widget_queue_draw_area(GTK_WIDGET(widget), grect.x, grect.y, grect.width, grect.height);
-#endif
 }
 
 static void
@@ -890,19 +851,7 @@ cb_menu_image_copy(GtkMenuItem* item, ZathuraPage* page)
   const int width  = cairo_image_surface_get_width(surface);
   const int height = cairo_image_surface_get_height(surface);
 
-#if GTK_MAJOR_VERSION == 2
-  GdkPixmap* pixmap = gdk_pixmap_new(gtk_widget_get_window(GTK_WIDGET(item)), width, height, -1);
-  cairo_t* cairo    = gdk_cairo_create(pixmap);
-
-  cairo_set_source_surface(cairo, surface, 0, 0);
-  cairo_paint(cairo);
-  cairo_destroy(cairo);
-
-  GdkPixbuf* pixbuf = gdk_pixbuf_get_from_drawable(NULL, pixmap, NULL, 0, 0, 0,
-                      0, width, height);
-#else
   GdkPixbuf* pixbuf = gdk_pixbuf_get_from_surface(surface, 0, 0, width, height);
-#endif
   g_signal_emit(page, signals[IMAGE_SELECTED], 0, pixbuf);
   g_object_unref(pixbuf);
   cairo_surface_destroy(surface);

zathura.c

@@ -146,13 +146,9 @@ zathura_init(zathura_t* zathura)
                    G_CALLBACK(cb_refresh_view), zathura);
 
   /* page view */
-#if (GTK_MAJOR_VERSION == 3)
   zathura->ui.page_widget = gtk_grid_new();
   gtk_grid_set_row_homogeneous(GTK_GRID(zathura->ui.page_widget), TRUE);
   gtk_grid_set_column_homogeneous(GTK_GRID(zathura->ui.page_widget), TRUE);
-#else
-  zathura->ui.page_widget = gtk_table_new(0, 0, TRUE);
-#endif
   if (zathura->ui.page_widget == NULL) {
     goto error_free;
   }
@@ -184,13 +180,10 @@ zathura_init(zathura_t* zathura)
   }
   gtk_container_add(GTK_CONTAINER(zathura->ui.page_widget_alignment), zathura->ui.page_widget);
 
-#if (GTK_MAJOR_VERSION == 3)
   gtk_widget_set_hexpand_set(zathura->ui.page_widget_alignment, TRUE);
   gtk_widget_set_hexpand(zathura->ui.page_widget_alignment, FALSE);
   gtk_widget_set_vexpand_set(zathura->ui.page_widget_alignment, TRUE);
   gtk_widget_set_vexpand(zathura->ui.page_widget_alignment, FALSE);
-#endif
-
 
   gtk_widget_show(zathura->ui.page_widget);
 
@@ -325,11 +318,7 @@ zathura_free(zathura_t* zathura)
 }
 
 void
-#if (GTK_MAJOR_VERSION == 2)
-zathura_set_xid(zathura_t* zathura, GdkNativeWindow xid)
-#else
 zathura_set_xid(zathura_t* zathura, Window xid)
-#endif
 {
   g_return_if_fail(zathura != NULL);
 
@@ -1060,30 +1049,16 @@ page_widget_set_mode(zathura_t* zathura, unsigned int page_padding,
 
   unsigned int number_of_pages     = zathura_document_get_number_of_pages(zathura->document);
 
-#if (GTK_MAJOR_VERSION == 3)
   gtk_grid_set_row_spacing(GTK_GRID(zathura->ui.page_widget), page_padding);
   gtk_grid_set_column_spacing(GTK_GRID(zathura->ui.page_widget), page_padding);
 
-#else
-  gtk_table_set_row_spacings(GTK_TABLE(zathura->ui.page_widget), page_padding);
-  gtk_table_set_col_spacings(GTK_TABLE(zathura->ui.page_widget), page_padding);
-
-  unsigned int ncol = pages_per_row;
-  unsigned int nrow = (number_of_pages + first_page_column - 1 + ncol - 1) / ncol;
-  gtk_table_resize(GTK_TABLE(zathura->ui.page_widget), nrow, ncol);
-#endif
-
   for (unsigned int i = 0; i < number_of_pages; i++) {
     int x = (i + first_page_column - 1) % pages_per_row;
     int y = (i + first_page_column - 1) / pages_per_row;
 
     zathura_page_t* page   = zathura_document_get_page(zathura->document, i);
     GtkWidget* page_widget = zathura_page_get_widget(zathura, page);
-#if (GTK_MAJOR_VERSION == 3)
     gtk_grid_attach(GTK_GRID(zathura->ui.page_widget), page_widget, x, y, 1, 1);
-#else
-    gtk_table_attach(GTK_TABLE(zathura->ui.page_widget), page_widget, x, x + 1, y, y + 1, GTK_SHRINK, GTK_SHRINK, 0, 0);
-#endif
   }
 
   gtk_widget_show_all(zathura->ui.page_widget);

zathura.h

@@ -6,13 +6,10 @@
 #include <stdbool.h>
 #include <girara/types.h>
 #include <gtk/gtk.h>
+#include <gtk/gtkx.h>
 #include "macros.h"
 #include "types.h"
 
-#if (GTK_MAJOR_VERSION == 3)
-#include <gtk/gtkx.h>
-#endif
-
 enum { NEXT, PREVIOUS, LEFT, RIGHT, UP, DOWN, BOTTOM, TOP, HIDE, HIGHLIGHT,
   DELETE_LAST_WORD, DELETE_LAST_CHAR, DEFAULT, ERROR, WARNING, NEXT_GROUP,
   PREVIOUS_GROUP, ZOOM_IN, ZOOM_OUT, ZOOM_ORIGINAL, ZOOM_SPECIFIC, FORWARD,
@@ -190,11 +187,7 @@ void zathura_free(zathura_t* zathura);
  * @param zathura The zathura session
  * @param xid The window id
  */
-#if (GTK_MAJOR_VERSION == 2)
-void zathura_set_xid(zathura_t* zathura, GdkNativeWindow xid);
-#else
 void zathura_set_xid(zathura_t* zathura, Window xid);
-#endif
 
 /**
  * Set the path to the configuration directory