[lua] Add object as argument to mouse click function

Signed-off-by: Julien Danjou <julien@danjou.info>

awesomerc.lua.in

@@ -44,7 +44,7 @@ mytaglist = widget.new({ type = "taglist", name = "mytaglist" })
 mytaglist:mouse({}, 1, awful.tag.viewonly)
 mytaglist:mouse({ modkey }, 1, awful.client.toggletag)
 mytaglist:mouse({}, 3,
-                function (tag)
+                function (object, tag)
                     tag:view(not tag:isselected())
                 end)
 mytaglist:mouse({ modkey }, 3, awful.client.toggletag)
@@ -54,7 +54,7 @@ mytaglist:set("text_focus", "<bg color=\"#555555\"/> <title/> ")
 
 -- Create a tasklist widget
 mytasklist = widget.new({ type = "tasklist", name = "mytasklist" })
-mytasklist:mouse({ }, 1, function (c) c:focus_set(); c:raise() end)
+mytasklist:mouse({ }, 1, function (object, c) c:focus_set(); c:raise() end)
 mytasklist:mouse({ }, 4, function () awful.client.focus(1) end)
 mytasklist:mouse({ }, 5, function () awful.client.focus(-1) end)
 mytasklist:set("text_focus", "<bg color=\"#555555\"/> <title/> ")

event.c

@@ -115,7 +115,8 @@ event_handle_buttonpress(void *data __attribute__ ((unused)),
                     if(ev->event_x >= w->area.x && ev->event_x < w->area.x + w->area.width
                        && ev->event_y >= w->area.y && ev->event_y < w->area.y + w->area.height)
                     {
-                        w->widget->button_press(w, ev, statusbar->screen, statusbar);
+                        w->widget->button_press(w, ev, statusbar->screen,
+                                                statusbar, AWESOME_TYPE_STATUSBAR);
                         return 0;
                     }
                 /* return if no widget match */
@@ -145,7 +146,8 @@ event_handle_buttonpress(void *data __attribute__ ((unused)),
             if(ev->event_x >= w->area.x && ev->event_x < w->area.x + w->area.width
                && ev->event_y >= w->area.y && ev->event_y < w->area.y + w->area.height)
             {
-                w->widget->button_press(w, ev, c->screen, c->titlebar);
+                w->widget->button_press(w, ev, c->screen,
+                                        c->titlebar, AWESOME_TYPE_TITLEBAR);
                 return 0;
             }
         /* return if no widget match */

lua.c

@@ -35,6 +35,8 @@
 #include "tag.h"
 #include "client.h"
 #include "window.h"
+#include "statusbar.h"
+#include "titlebar.h"
 #include "layouts/tile.h"
 
 extern awesome_t globalconf;
@@ -367,6 +369,25 @@ luaA_colors_set(lua_State *L)
     return 0;
 }
 
+/** Push a pointer onto the stack according to its type.
+ * \param L The Lua state.
+ * \param p The pointer.
+ * \param type Its type.
+ */
+void
+luaA_pushpointer(void *p, awesome_type_t type)
+{
+    switch(type)
+    {
+      case AWESOME_TYPE_STATUSBAR:
+        luaA_statusbar_userdata_new(p);
+        break;
+      case AWESOME_TYPE_TITLEBAR:
+        luaA_titlebar_userdata_new(p);
+        break;
+    }
+}
+
 static void
 luaA_openlib(lua_State *L, const char *name,
              const struct luaL_reg methods[],

lua.h

@@ -27,6 +27,13 @@
 
 #include "common/util.h"
 
+/** Object types */
+typedef enum
+{
+    AWESOME_TYPE_STATUSBAR = 1,
+    AWESOME_TYPE_TITLEBAR
+} awesome_type_t;
+
 /** Type for Lua function */
 typedef int luaA_function;
 
@@ -126,8 +133,9 @@ luaA_checkboolean(lua_State *L, int n)
     return lua_toboolean(L, n);
 }
 
-
 bool luaA_parserc(const char *);
 void luaA_docmd(char *);
+void luaA_pushpointer(void *, awesome_type_t);
+
 #endif
 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80

statusbar.c

@@ -473,6 +473,18 @@ luaA_statusbar_new(lua_State *L)
     return luaA_settype(L, "statusbar");
 }
 
+/** Create a new statusbar userdata.
+ * \param t The statusbar.
+ */
+int
+luaA_statusbar_userdata_new(statusbar_t *t)
+{
+    statusbar_t **sb = lua_newuserdata(globalconf.L, sizeof(statusbar_t *));
+    *sb = t;
+    statusbar_ref(sb);
+    return luaA_settype(globalconf.L, "statusbar");
+}
+
 /** Get all widget from a statusbar.
  * \return A table with all widgets from the statusbar.
  */

statusbar.h

@@ -37,6 +37,8 @@ statusbar_delete(statusbar_t **statusbar)
 
 void statusbar_refresh(void);
 
+int luaA_statusbar_userdata_new(statusbar_t *);
+
 DO_RCNT(statusbar_t, statusbar, statusbar_delete)
 DO_SLIST(statusbar_t, statusbar, statusbar_delete)
 

structs.h

@@ -99,7 +99,7 @@ struct widget_t
     /** Update function */
     widget_tell_status_t (*tell)(widget_t *, const char *, const char *);
     /** ButtonPressedEvent handler */
-    void (*button_press)(widget_node_t *, xcb_button_press_event_t *, int, void *);
+    void (*button_press)(widget_node_t *, xcb_button_press_event_t *, int, void *, awesome_type_t);
     /** Alignement */
     alignment_t align;
     /** Misc private data */

titlebar.c

@@ -406,44 +406,38 @@ titlebar_init(client_t *c)
 static int
 luaA_titlebar_new(lua_State *L)
 {
-    titlebar_t **tb;
-    int objpos;
+    titlebar_t *tb;
     const char *color;
 
     luaA_checktable(L, 1);
 
-    tb = lua_newuserdata(L, sizeof(titlebar_t *));
-    *tb = p_new(titlebar_t, 1);
-    objpos = lua_gettop(L);
+    tb = p_new(titlebar_t, 1);
 
-    (*tb)->align = draw_align_get_from_str(luaA_getopt_string(L, 1, "align", "left"));
+    tb->align = draw_align_get_from_str(luaA_getopt_string(L, 1, "align", "left"));
 
-    (*tb)->width = luaA_getopt_number(L, 1, "width", 0);
-    (*tb)->height = luaA_getopt_number(L, 1, "height", 0);
-    if((*tb)->height <= 0)
+    tb->width = luaA_getopt_number(L, 1, "width", 0);
+    tb->height = luaA_getopt_number(L, 1, "height", 0);
+    if(tb->height <= 0)
         /* 1.5 as default factor, it fits nice but no one knows why */
-        (*tb)->height = 1.5 * globalconf.font->height;
+        tb->height = 1.5 * globalconf.font->height;
 
-    (*tb)->position = position_get_from_str(luaA_getopt_string(L, 1, "position", "top"));
+    tb->position = position_get_from_str(luaA_getopt_string(L, 1, "position", "top"));
 
     lua_getfield(L, 1, "fg");
     if((color = luaL_optstring(L, -1, NULL)))
         xcolor_new(globalconf.connection, globalconf.default_screen,
-                       color, &(*tb)->colors.fg);
+                       color, &tb->colors.fg);
     else
-        (*tb)->colors.fg = globalconf.colors.fg;
+        tb->colors.fg = globalconf.colors.fg;
 
     lua_getfield(L, 1, "bg");
     if((color = luaL_optstring(L, -1, NULL)))
         xcolor_new(globalconf.connection, globalconf.default_screen,
-                       color, &(*tb)->colors.bg);
+                       color, &tb->colors.bg);
     else
-        (*tb)->colors.bg = globalconf.colors.bg;
+        tb->colors.bg = globalconf.colors.bg;
 
-    titlebar_ref(tb);
-
-    lua_pushvalue(L, objpos);
-    return luaA_settype(L, "titlebar");
+    return luaA_titlebar_userdata_new(tb);
 }
 
 /** Add a widget to a titlebar.

widget.c

@@ -80,18 +80,23 @@ widget_getbyname(const char *name)
  * \param ev The button press event the widget received.
  * \param screen The screen number.
  * \param p The object where user clicked.
+ * \param type The object type.
  */
 static void
 widget_common_button_press(widget_node_t *w,
                            xcb_button_press_event_t *ev,
                            int screen __attribute__ ((unused)),
-                           void *p __attribute__ ((unused)))
+                           void *p,
+                           awesome_type_t type)
 {
     button_t *b;
     
     for(b = w->widget->buttons; b; b = b->next)
         if(ev->detail == b->button && CLEANMASK(ev->state) == b->mod && b->fct)
-            luaA_dofunction(globalconf.L, b->fct, 0);
+        {
+            luaA_pushpointer(p, type);
+            luaA_dofunction(globalconf.L, b->fct, 1);
+        }
 }
 
 /** Common tell function for widget, which only warn user that widget

widgets/taglist.c

@@ -190,11 +190,19 @@ taglist_draw(draw_context_t *ctx, int screen, widget_node_t *w,
     return w->area.width;
 }
 
+/** Handle button click on tasklist.
+ * \param w The widget node.
+ * \param ev The button press event.
+ * \param screen The screen where the click was.
+ * \param object The object we're onto.
+ * \param type The type object.
+ */
 static void
 taglist_button_press(widget_node_t *w,
                      xcb_button_press_event_t *ev,
                      int screen,
-                     void *object)
+                     void *object,
+                     awesome_type_t type)
 {
     screen_t *vscreen = &globalconf.screens[screen];
     button_t *b;
@@ -213,8 +221,9 @@ taglist_button_press(widget_node_t *w,
                 if(ev->event_x >= AREA_LEFT(*area)
                    && ev->event_x < AREA_RIGHT(*area))
                 {
+                    luaA_pushpointer(object, type);
                     luaA_tag_userdata_new(tag);
-                    luaA_dofunction(globalconf.L, b->fct, 1);
+                    luaA_dofunction(globalconf.L, b->fct, 2);
                     return;
                 }
 }

widgets/tasklist.c

@@ -171,11 +171,19 @@ tasklist_draw(draw_context_t *ctx, int screen,
     return w->area.width;
 }
 
+/** Handle button click on tasklist.
+ * \param w The widget node.
+ * \param ev The button press event.
+ * \param screen The screen where the click was.
+ * \param object The object we're onto.
+ * \param type The type object.
+ */
 static void
 tasklist_button_press(widget_node_t *w,
                       xcb_button_press_event_t *ev,
                       int screen,
-                      void *p __attribute__ ((unused)))
+                      void *object,
+                      awesome_type_t type)
 {
     button_t *b;
     client_t *c;
@@ -207,8 +215,9 @@ tasklist_button_press(widget_node_t *w,
         for(b = w->widget->buttons; b; b = b->next)
             if(ev->detail == b->button && CLEANMASK(ev->state) == b->mod && b->fct)
             {
+                luaA_pushpointer(object, type);
                 luaA_client_userdata_new(c);
-                luaA_dofunction(globalconf.L, b->fct, 1);
+                luaA_dofunction(globalconf.L, b->fct, 2);
             }
 }