Move synctex logic away from ZathuraPage

Also emit the D-Bus signal

callbacks.c

@@ -20,6 +20,8 @@
 #include "page-widget.h"
 #include "page.h"
 #include "adjustment.h"
+#include "synctex.h"
+#include "dbus-interface.h"
 
 gboolean
 cb_destroy(GtkWidget* UNUSED(widget), zathura_t* zathura)
@@ -602,3 +604,38 @@ cb_page_widget_link(ZathuraPage* page, void* data)
   gdk_window_set_cursor(window, cursor);
   g_object_unref(cursor);
 }
+
+void
+cb_page_widget_scaled_button_release(ZathuraPage* page_widget, GdkEventButton* event,
+    void* data)
+{
+  if (event->button != 1 || !(event->state & GDK_CONTROL_MASK)) {
+    return;
+  }
+
+  zathura_t* zathura = data;
+
+  bool synctex = false;
+  girara_setting_get(zathura->ui.session, "synctex", &synctex);
+
+  if (synctex == false) {
+    return;
+  }
+
+  zathura_page_t* page = zathura_page_widget_get_page(page_widget);
+
+  if (zathura->dbus != NULL) {
+    zathura_dbus_edit(zathura->dbus, zathura_page_get_index(page), event->x, event->y);
+  }
+
+  char* editor = NULL;
+  girara_setting_get(zathura->ui.session, "synctex-editor-command", &editor);
+  if (editor == NULL || *editor == '\0') {
+    g_free(editor);
+    return;
+  }
+
+  synctex_edit(editor, page, event->x, event->y);
+  g_free(editor);
+}
+

callbacks.h

@@ -200,6 +200,9 @@ void cb_page_widget_text_selected(ZathuraPage* page, const char* text,
 void cb_page_widget_image_selected(ZathuraPage* page, GdkPixbuf* pixbuf,
     void* data);
 
+void cb_page_widget_scaled_button_release(ZathuraPage* page,
+    GdkEventButton* event, void* data);
+
 void
 cb_page_widget_link(ZathuraPage* page, void* data);
 

page-widget.c

@@ -13,7 +13,6 @@
 #include "render.h"
 #include "utils.h"
 #include "shortcuts.h"
-#include "synctex.h"
 #include "zathura.h"
 
 G_DEFINE_TYPE(ZathuraPage, zathura_page_widget, GTK_TYPE_DRAWING_AREA)
@@ -96,6 +95,7 @@ enum properties_e {
 enum {
   TEXT_SELECTED,
   IMAGE_SELECTED,
+  BUTTON_RELEASE,
   ENTER_LINK,
   LEAVE_LINK,
   LAST_SIGNAL
@@ -187,6 +187,17 @@ zathura_page_widget_class_init(ZathuraPageClass* class)
       g_cclosure_marshal_generic,
       G_TYPE_NONE,
       0);
+
+  signals[BUTTON_RELEASE] = g_signal_new("scaled-button-release",
+      ZATHURA_TYPE_PAGE,
+      G_SIGNAL_RUN_LAST,
+      0,
+      NULL,
+      NULL,
+      g_cclosure_marshal_generic,
+      G_TYPE_NONE,
+      1,
+      G_TYPE_POINTER);
 }
 
 static void
@@ -688,13 +699,31 @@ cb_zathura_page_widget_button_release_event(GtkWidget* widget, GdkEventButton* b
 {
   g_return_val_if_fail(widget != NULL, false);
   g_return_val_if_fail(button != NULL, false);
-  if (button->type != GDK_BUTTON_RELEASE || button->button != 1) {
+
+  if (button->type != GDK_BUTTON_RELEASE) {
     return false;
   }
 
+  const int oldx = button->x;
+  const int oldy = button->y;
+
   zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);
   zathura_document_t* document        = zathura_page_get_document(priv->page);
 
+  const double scale = zathura_document_get_scale(document);
+
+  button->x /= scale;
+  button->y /= scale;
+
+  g_signal_emit(ZATHURA_PAGE(widget), signals[BUTTON_RELEASE], 0, button);
+
+  button->x = oldx;
+  button->y = oldy;
+
+  if (button->button != 1) {
+    return false;
+  }
+
   if (priv->mouse.selection.y2 == -1 && priv->mouse.selection.x2 == -1 ) {
     /* simple single click */
     /* get links */
@@ -716,21 +745,6 @@ cb_zathura_page_widget_button_release_event(GtkWidget* widget, GdkEventButton* b
   } else {
     redraw_rect(ZATHURA_PAGE(widget), &priv->mouse.selection);
 
-    bool synctex = false;
-    girara_setting_get(priv->zathura->ui.session, "synctex", &synctex);
-
-    if (synctex == true && button->state & GDK_CONTROL_MASK) {
-      /* synctex backwards sync */
-      char* editor = NULL;
-      girara_setting_get(priv->zathura->ui.session, "synctex-editor-command", &editor);
-      if (editor != NULL && *editor != '\0') {
-        double scale = zathura_document_get_scale(document);
-        int x = button->x / scale, y = button->y / scale;
-
-        synctex_edit(editor, priv->page, x, y);
-      }
-      g_free(editor);
-    } else {
     zathura_rectangle_t tmp = priv->mouse.selection;
 
     double scale = zathura_document_get_scale(document);
@@ -749,7 +763,6 @@ cb_zathura_page_widget_button_release_event(GtkWidget* widget, GdkEventButton* b
       g_free(text);
     }
   }
-  }
 
   priv->mouse.selection_basepoint.x = -1;
   priv->mouse.selection_basepoint.y = -1;
@@ -999,3 +1012,10 @@ zathura_page_widget_abort_render_request(ZathuraPage* widget)
   }
 }
 
+zathura_page_t*
+zathura_page_widget_get_page(ZathuraPage* widget) {
+  g_return_val_if_fail(ZATHURA_IS_PAGE(widget), NULL);
+  zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);
+
+  return priv->page;
+}

page-widget.h

@@ -69,7 +69,6 @@ void zathura_page_widget_draw_rectangle(ZathuraPage* widget, zathura_rectangle_t
  * @param widget the widget
  */
 void zathura_page_widget_clear_rectangles(ZathuraPage* widget);
-
 /**
  * Returns the zathura link object at the given index
  *
@@ -78,14 +77,12 @@ void zathura_page_widget_clear_rectangles(ZathuraPage* widget);
  * @return Link object or NULL if an error occured
  */
 zathura_link_t* zathura_page_widget_link_get(ZathuraPage* widget, unsigned int index);
-
 /**
  * Update the last view time of the page.
  *
  * @param widget the widget
  */
 void zathura_page_widget_update_view_time(ZathuraPage* widget);
-
 /**
  * Check if we have a surface.
  *
@@ -93,12 +90,18 @@ void zathura_page_widget_update_view_time(ZathuraPage* widget);
  * @returns true if the widget has a surface, false otherwise
  */
 bool zathura_page_widget_have_surface(ZathuraPage* widget);
-
 /**
  * Abort outstanding render requests
  *
  * @param widget the widget
  */
 void zathura_page_widget_abort_render_request(ZathuraPage* widget);
+/**
+ * Get underlying page
+ *
+ * @param widget the widget
+ * @return underlying zathura_page_t instance
+ */
+zathura_page_t* zathura_page_widget_get_page(ZathuraPage* widget);
 
 #endif

zathura.c

@@ -791,6 +791,8 @@ document_open(zathura_t* zathura, const char* path, const char* password,
         G_CALLBACK(cb_page_widget_link), (gpointer) true);
     g_signal_connect(G_OBJECT(page_widget), "leave-link",
         G_CALLBACK(cb_page_widget_link), (gpointer) false);
+    g_signal_connect(G_OBJECT(page_widget), "scaled-button-release",
+        G_CALLBACK(cb_page_widget_scaled_button_release), zathura);
   }
 
   /* view mode */