Fixing issue with workspace change and window listing. Adding facility for reading configuration from applets: implemting options for configuring fixed layout in taskbar tabs and showing buttons from all desktops.

ede-panel/Applet.h

@@ -21,6 +21,9 @@
 #ifndef __APPLET_H__
 #define __APPLET_H__
 
+#include <edelib/Resource.h>
+
+EDELIB_NS_USING_AS(Resource, PanelResource)
 class Fl_Widget;
 
 /* stored version in each applet shared library in case interface get changed */
@@ -40,15 +43,6 @@ enum {
 	EDE_PANEL_APPLET_OPTION_ALIGN_RIGHT = (1 << 4)
 };
 
-struct AppletInfo {
-	const char    *name;
-	const char    *klass_name;
-	const char    *version;
-	const char    *icon;
-	const char    *author;
-	unsigned long  options;
-};
-
 /*
  * each applet want to inherit this class if would like to exchange data with panel
  * NOTE: new things could be added in future, but that will be reflected through EDE_PANEL_APPLET_INTERFACE_VERSION
@@ -59,6 +53,23 @@ public:
 	AppletWidget(int X, int Y, int W, int H, const char *l = 0) : T(X, Y, W, H, l) {
 		T::type(EDE_PANEL_APPLET_TYPE);
 	}
+
+	virtual ~AppletWidget() { }
+
+	/*
+	 * Override this method to access panel configuration. Note that 'PanelResource' object
+	 * will be destroyed after applets are loaded, so do not hold reference to this address.
+	 */
+	virtual void configure(PanelResource *conf) { }
+};
+
+struct AppletInfo {
+	const char    *name;
+	const char    *klass_name;
+	const char    *version;
+	const char    *icon;
+	const char    *author;
+	unsigned long  options;
 };
 
 /* module stuff */

ede-panel/AppletManager.cpp

@@ -141,7 +141,7 @@ void AppletManager::clear(Panel *p) {
  * Must be called so widget can actually be added to FLTK parent. Widgets will be created and
  * added to the group.
  */
-void AppletManager::fill_group(Panel *p) {
+void AppletManager::fill_group(Panel *p, PanelResource *res) {
 	AListIter it = applet_list.begin(), ite = applet_list.end();
 	AppletData *applet;
 
@@ -150,6 +150,15 @@ void AppletManager::fill_group(Panel *p) {
 
 		/* allocate memory for widget and append it to the group */
 		applet->awidget = applet->create_func();
+
+		/* call configuration function if needed */
+		if(res && applet->awidget->type() == EDE_PANEL_APPLET_TYPE) {
+			/* a hackery to make compiler happy */
+			typedef AppletWidget<Fl_Widget> AW;
+			AW *tmp = (AW*)(applet->awidget);
+			tmp->configure(res);
+		}
+
 		p->add(applet->awidget);
 	}
 }

ede-panel/AppletManager.h

@@ -29,8 +29,8 @@ class  Panel;
 class  Fl_Widget;
 struct AppletData;
 
-typedef edelib::list<AppletData*> AList;
+typedef EDELIB_NS_PREPEND(list<AppletData*>) AList;
-typedef edelib::list<AppletData*>::iterator AListIter;
+typedef EDELIB_NS_PREPEND(list<AppletData*>::iterator) AListIter;
 
 class AppletManager {
 private:
@@ -38,7 +38,7 @@ private:
 public:
 	bool load(const char *path);
 	void clear(Panel *p);
-	void fill_group(Panel *p);
+	void fill_group(Panel *p, PanelResource *res);
 	void unfill_group(Panel *p);
 
 	bool get_applet_options(Fl_Widget *o, unsigned long &opts);

ede-panel/Panel.cpp

@@ -30,7 +30,6 @@
 #include <edelib/Debug.h>
 #include <edelib/List.h>
 #include <edelib/WindowXid.h>
-#include <edelib/Resource.h>
 #include <edelib/Util.h>
 #include <edelib/Netwm.h>
 #include <edelib/Directory.h>
@@ -233,7 +232,7 @@ Panel::Panel() : PanelWindow(300, 30, "ede-panel") {
 	screen_x = screen_y = screen_w = screen_h = screen_h_half = 0;
 	width_perc = 100;
 	can_move_widgets = false;
-	can_drag = true;
+	can_drag = false;
 
 	box(FL_UP_BOX); 
 	read_config();
@@ -273,9 +272,9 @@ void Panel::read_config(void) {
 	
 	char buf[128];
 	if(r.get("Panel", "applets", buf, sizeof(buf)))
-		load_applets(buf);
+		load_applets(buf, &r);
 	else
-		load_applets();
+		load_applets(0, &r);
 }
 
 void Panel::save_config(void) {
@@ -482,14 +481,63 @@ void Panel::update_size_and_pos(bool create_xid, bool update_strut, int X, int Y
 	}
 }
 
+#define PANEL_DRAG_KEY (Fl::event_state() == FL_ALT)
+
 int Panel::handle(int e) {
+#if 0
+	can_drag = PANEL_DRAG_KEY;
+	switch(e) {
+		case FL_PUSH:
+			if(can_drag) {
+				return 1;
+			}
+			/* fallthrough */
+
+		case FL_DRAG:
+			if(can_drag) {
+				cursor(FL_CURSOR_MOVE);
+				/* snap it to the top or bottom, depending on pressed mouse location */
+				if(Fl::event_y_root() <= screen_h_half && y() > screen_h_half) {
+					position(x(), screen_y);
+					if(width_perc >= 100)
+						set_strut(PANEL_STRUT_TOP);
+					vpos = PANEL_POSITION_TOP;
+				} 
+
+				if(Fl::event_y_root() > screen_h_half && y() < screen_h_half) {
+					position(x(), screen_h - h());
+					if(width_perc >= 100)
+						set_strut(PANEL_STRUT_BOTTOM);
+					vpos = PANEL_POSITION_BOTTOM;
+				}
+
+				return 1;
+			}
+			/* fallthrough */
+
+		case FL_RELEASE:
+			if(can_drag) {
+				return 1;
+			}
+			/* fallthrough */
+
+		case FL_KEYBOARD:
+			/* do not quit on Esc key */
+			if(Fl::event_key() == FL_Escape)
+				return 1;
+			/* fallthrough */
+	}
+#endif
+	return Fl_Window::handle(e);
+
+#if 0
 	switch(e) {
 		case FL_PUSH:
 			clicked = Fl::belowmouse();
 
 			if(clicked == this)
 				clicked = 0;
-			else if(clicked && clicked->takesevents())
+			else if(clicked && Fl::event_inside(clicked) && clicked->takesevents())
 				clicked->handle(e);
 
 			/* record push position for possible child drag */
@@ -498,16 +546,14 @@ int Panel::handle(int e) {
 			return 1;
 
 		case FL_DRAG: {
-			if(!can_drag) return 1;
-
-			/* are moving the panel; only vertical moving is supported */
-			cursor(FL_CURSOR_MOVE);
-
 			/* send drag events to children and do not drag panel in the mean time */
-			if(clicked && clicked != this) {
+			if(clicked && clicked != this && Fl::event_inside(clicked) && clicked->takesevents()) {
-				clicked->handle(e);
+				cursor(FL_CURSOR_MOVE);
-				return 0;
+				return clicked->handle(e);
-			}
+			} else {
+				printf("XXXy %p %p\n", clicked, this);
+				if(!can_drag) return 1;
+				cursor(FL_CURSOR_MOVE);
 
 				/* snap it to the top or bottom, depending on pressed mouse location */
 				if(Fl::event_y_root() <= screen_h_half && y() > screen_h_half) {
@@ -526,6 +572,7 @@ int Panel::handle(int e) {
 
 				return 1;
 			}
+		}
 
 		case FL_RELEASE:
 			cursor(FL_CURSOR_DEFAULT);
@@ -543,11 +590,11 @@ int Panel::handle(int e) {
 				return 1;
 			/* fallthrough */
 	}
-
 	return Fl_Window::handle(e);
+#endif
 }
 
-void Panel::load_applets(const char *applets) {
+void Panel::load_applets(const char *applets, PanelResource *res) {
 	mgr.clear(this);
 
 	/*
@@ -604,7 +651,7 @@ void Panel::load_applets(const char *applets) {
 	}
 
 	free(dup);
-	mgr.fill_group(this);
+	mgr.fill_group(this, res);
 }
 
 /* TODO: can be better */

ede-panel/Panel.h

@@ -68,7 +68,7 @@ public:
 	void update_size_and_pos(bool create_xid, bool update_strut);
 	void update_size_and_pos(bool create_xid, bool update_strut, int X, int Y, int W, int H);
 	int  handle(int e);
-	void load_applets(const char *applets = 0);
+	void load_applets(const char *applets, PanelResource *res = 0);
 
 	int panel_w(void) { return w(); }
 	int panel_h(void) { return h(); }

ede-panel/applets/taskbar/Taskbar.cpp

@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
- * Copyright (C) 2012-2013 Sanel Zukan
+ * Copyright (C) 2012-2014 Sanel Zukan
  * 
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -100,12 +100,8 @@ static void net_event_cb(int action, Window xid, void *data) {
 	}
 }
 
-Taskbar::Taskbar() : Fl_Group(0, 0, 40, 25), curr_active(NULL), prev_active(NULL) {
+Taskbar::Taskbar() : WidgetGroup(0, 0, 40, 25), curr_active(NULL), prev_active(NULL) {
 	end();
-
-	//box(FL_FLAT_BOX);
-	//color(FL_RED);
-
 	fixed_layout = false;
 	ignore_workspace_value = false;
 
@@ -119,6 +115,15 @@ Taskbar::~Taskbar() {
 	netwm_callback_remove(net_event_cb);
 }
 
+void Taskbar::configure(Resource *res) {
+	E_RETURN_IF_FAIL(res != NULL);
+	
+	res->get("Taskbar", "fixed_layout", fixed_layout, false);
+	res->get("Taskbar", "all_desktops", ignore_workspace_value, false);
+
+	if(visible()) update_task_buttons();
+}
+
 void Taskbar::update_task_buttons(void) {
 	Window *wins;
 	int ws, nwins = netwm_window_get_all_mapped(&wins);
@@ -187,19 +192,25 @@ void Taskbar::update_task_buttons(void) {
 		
 		/* create button */
 		ws = netwm_window_get_workspace(wins[i]);
-		if(visible_on_current_workspace(ws)) {
+		
 		b = new TaskButton(0, 0, DEFAULT_CHILD_W, 25);
 		b->set_window_xid(wins[i]);
 		b->update_title_from_xid();
 		b->update_image_from_xid();
 		b->set_workspace(ws);
+		/* mark it hidden by default */
+		b->hide();
 
 		/* catch the name changes */
 		XSelectInput(fl_display, wins[i], PropertyChangeMask | StructureNotifyMask);
 		b->callback((Fl_Callback*)button_cb, this);
+
+		/* add it to our list */
 		add(b);
 
-			need_full_redraw = true;
+		if(visible_on_current_workspace(ws)) {
+			//need_full_redraw = true;
+			b->show();
 		}
 	}
 
@@ -211,7 +222,7 @@ void Taskbar::update_task_buttons(void) {
 }
 
 void Taskbar::update_workspace_change(void) {
-	if(children() < 1) return;
+	if(!children()) return;
 	current_workspace = netwm_workspace_get_current();
 	
 	TaskButton *b;

ede-panel/applets/taskbar/Taskbar.h

@@ -22,29 +22,34 @@
 #define __TASKBAR_H__
 
 #include <FL/Fl_Group.H>
+#include <edelib/Resource.h>
 #include "Applet.h"
 
+EDELIB_NS_USING(Resource)
+
 /* if button should be on visible on all workspaces */
 #define ALL_WORKSPACES -1
 
 class TaskButton;
+typedef AppletWidget<Fl_Group> WidgetGroup;
 
-class Taskbar : public Fl_Group {
+class Taskbar : public WidgetGroup {
 public:
 	TaskButton *curr_active, *prev_active;
 	bool fixed_layout;           /* fixed or streched layout of buttons */
 	bool ignore_workspace_value; /* should all windows be shown ignoring workspace value */
-
 	int  current_workspace;
 
 	bool visible_on_current_workspace(int ws) {
-		return ignore_workspace_value || (ws == ALL_WORKSPACES) || (ws == current_workspace);
+		return (ignore_workspace_value == true) || (ws == ALL_WORKSPACES) || (ws == current_workspace);
 	}
 
 public:
 	Taskbar();
 	~Taskbar();
 	
+	void configure(Resource *res);
+
 	void update_task_buttons(void);
 	void update_workspace_change(void);