From 96856d4dab71416f4092135512950ef22c117fce Mon Sep 17 00:00:00 2001
From: Kaj-Michael Lang <milang@tal.org>
Date: Wed, 7 May 2008 23:24:32 +0300
Subject: [PATCH] Map widget: - Add simple click and double-click handling -
 Start to add support for context menu - Fix warnings

---
 src/gtkmap.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 56 insertions(+), 3 deletions(-)

diff --git a/src/gtkmap.c b/src/gtkmap.c
index 64cbf26..f182151 100644
--- a/src/gtkmap.c
+++ b/src/gtkmap.c
@@ -70,6 +70,8 @@ struct _GtkMapPriv
 	cairo_t *ct;
 #endif
 
+	GtkMenu *menu;
+
 	PangoContext *context;
 	PangoLayout *layout;
 	PangoFontDescription *fontdesc;
@@ -164,6 +166,8 @@ struct _GtkMapPriv
 	gboolean show_velvec;
 	gboolean show_markers;
 	gboolean show_speed;
+	gboolean click_to_center;
+	gboolean zoom_in_on_2button;
 	gboolean rotate_view;
 	gfloat rotate_angle;
 
@@ -393,6 +397,9 @@ priv->show_velvec=TRUE;
 priv->show_markers=TRUE;
 priv->show_location=TRUE;
 
+priv->click_to_center=FALSE;
+priv->zoom_in_on_2button=FALSE;
+
 priv->rotate_angle=M_PI;
 priv->rotate_view=FALSE;
 
@@ -603,7 +610,7 @@ if (priv->gl_config) {
     g_print("OpenGL version: %s\n", glGetString (GL_VERSION));
     g_print("OpenGL vendor: %s\n", glGetString (GL_VENDOR));
     g_print("OpenGL renderer: %s\n", glGetString (GL_RENDERER));
-	gtk_widget_set_gl_capability(widget->window, priv->gl_config, NULL, TRUE, GDK_GL_RGBA_TYPE);
+	gtk_widget_set_gl_capability(widget, priv->gl_config, NULL, TRUE, GDK_GL_RGBA_TYPE);
 	priv->gl=TRUE;
 }
 #endif
@@ -767,6 +774,8 @@ g_return_if_fail(GTK_IS_MAP(widget));
 map=GTK_MAP(widget);
 priv=GTK_MAP_GET_PRIVATE(map);
 
+gc=priv->gc_waypoint;
+
 if ((x1 > priv->buf_width_pixels) || (y1 > priv->buf_height_pixels))
 	return;
 gdk_draw_arc(widget->window, gc, FALSE, x1 - priv->draw_width, y1 - priv->draw_width, 2 * priv->draw_width, 2 * priv->draw_width, 0, 360 * 64);
@@ -889,6 +898,7 @@ g_return_val_if_fail(path, FALSE);
 map=GTK_MAP(widget);
 priv=GTK_MAP_GET_PRIVATE(map);
 priv->paths=g_slist_remove(priv->paths, path);
+return TRUE;
 }
 
 static void 
@@ -1404,7 +1414,7 @@ priv=GTK_MAP_GET_PRIVATE(map);
 gtk_map_set_center(widget, priv->center.unitx + delta_x*GTK_MAP_PAN_UNITS, priv->center.unity + delta_y*GTK_MAP_PAN_UNITS);
 }
 
-static void
+void
 gtk_map_refresh(GtkWidget *widget)
 {
 GtkMap *map;
@@ -1550,7 +1560,7 @@ gtk_map_scroll_event_cb(GtkWidget *widget, GdkEventScroll *event)
 GtkMap *map;
 GtkMapPriv *priv;
 
-g_return_if_fail(GTK_IS_MAP(widget));
+g_return_val_if_fail(GTK_IS_MAP(widget), FALSE);
 
 map=GTK_MAP(widget);
 priv=GTK_MAP_GET_PRIVATE(map);
@@ -1563,13 +1573,56 @@ return FALSE;
 static gboolean
 gtk_map_button_press_cb(GtkWidget *widget, GdkEventButton *event)
 {
+GtkMap *map;
+GtkMapPriv *priv;
+
+g_return_val_if_fail(GTK_IS_MAP(widget), FALSE);
+map=GTK_MAP(widget);
+priv=GTK_MAP_GET_PRIVATE(map);
 
+switch (event->button) {
+case 1:
+	if (priv->click_to_center) {
+		gtk_map_set_center(widget, x2unit((gint) (event->x+0.5)), y2unit((gint) (event->y+0.5)));
+		return FALSE;
+	} else if (event->type==GDK_2BUTTON_PRESS) {
+		gtk_map_set_center(widget, x2unit((gint) (event->x+0.5)), y2unit((gint) (event->y+0.5)));
+		if (priv->zoom_in_on_2button)
+			gtk_map_zoom_in(widget);
+		return FALSE;
+	}
+break;
+case 2:
+
+break;
+case 3:
+	if (priv->menu)
+		gtk_menu_popup(GTK_MENU(priv->menu), NULL, NULL, NULL, NULL, event->button, gtk_get_current_event_time());
+break;
+}
 return FALSE;
 }
 
 static gboolean
 gtk_map_button_release_cb(GtkWidget *widget, GdkEventButton *event)
 {
+GtkMap *map;
+GtkMapPriv *priv;
 
+g_return_val_if_fail(GTK_IS_MAP(widget), FALSE);
+map=GTK_MAP(widget);
+priv=GTK_MAP_GET_PRIVATE(map);
+
+switch (event->button) {
+case 1:
+
+break;
+case 2:
+
+break;
+case 3:
+
+break;
+}
 return FALSE;
 }
-- 
2.39.5