Derive Root from Graphics::EventSource

[libs/gltk.git] / source / root.cpp

diff --git a/source/root.cpp b/source/root.cpp
index 9d02c4a70f4a1698124263f55414969573489f54..c7a2657005426ecc0f20eff1de7c9f8cb18a0e86 100644 (file)
--- a/source/root.cpp
+++ b/source/root.cpp
@@ -1,19 +1,26 @@
 /* $Id$
 
 This file is part of libmspgltk
-Copyright © 2007  Mikko Rasa, Mikkosoft Productions
+Copyright © 2007-2009  Mikko Rasa, Mikkosoft Productions
 Distributed under the LGPL
 */
 
 #include <msp/input/keys.h>
+#include <msp/time/units.h>
+#include <msp/time/utils.h>
+#include "label.h"
+#include "style.h"
 #include "root.h"
 
 namespace Msp {
 namespace GLtk {
 
 Root::Root(const Resources &r, Graphics::Window &w):
+       Widget(r),
        Panel(r),
-       window(w)
+       window(w),
+       lbl_tooltip(0),
+       tooltip_target(0)
 {
        set_geometry(Geometry(0, 0, window.get_width(), window.get_height()));
 
@@ -26,21 +33,77 @@ Root::Root(const Resources &r, Graphics::Window &w):
        window.signal_key_release.connect(sigc::mem_fun(this, &Root::key_release_event));
 }
 
-void Root::button_press_event(int x, int y, unsigned btn, unsigned)
+void Root::tick()
+{
+       if(tooltip_timeout && Time::now()>tooltip_timeout)
+       {
+               std::string tip;
+               if(Widget *wdg=get_descendant_at(pointer_x, pointer_y))
+               {
+                       tip=wdg->get_tooltip();
+                       tooltip_target=wdg;
+               }
+               else
+               {
+                       tip=signal_tooltip.emit(pointer_x, pointer_y);
+                       tooltip_target=this;
+               }
+
+               if(!tip.empty())
+               {
+                       if(!lbl_tooltip)
+                       {
+                               lbl_tooltip=new Label(res);
+                               add(*lbl_tooltip);
+                               lbl_tooltip->set_style("tooltip");
+                       }
+
+                       lbl_tooltip->set_text(tip);
+                       lbl_tooltip->autosize();
+                       const Geometry &tip_geom=lbl_tooltip->get_geometry();
+                       unsigned x=pointer_x+10;
+                       unsigned y=pointer_y-10-lbl_tooltip->get_geometry().h;
+                       if(x+tip_geom.w>geom.w)
+                       {
+                               if(pointer_x>static_cast<int>(tip_geom.w+2))
+                                       x=pointer_x-2-tip_geom.w;
+                               else
+                                       x=geom.w-tip_geom.w;
+                       }
+                       lbl_tooltip->set_position(x, y);
+                       raise(*lbl_tooltip);
+                       lbl_tooltip->set_visible(true);
+               }
+
+               tooltip_timeout=Time::TimeStamp();
+       }
+}
+
+void Root::button_press_event(int x, int y, unsigned btn, unsigned mod)
 {
        if(visible)
        {
+               Widget *old_focus=pointer_focus;
+
                translate_coords(x, y);
                button_press(x, y, btn);
+
+               if(!pointer_focus && !old_focus)
+                       signal_button_press.emit(x, geom.h-1-y, btn, mod);
        }
 }
 
-void Root::button_release_event(int x, int y, unsigned btn, unsigned)
+void Root::button_release_event(int x, int y, unsigned btn, unsigned mod)
 {
        if(visible)
        {
+               Widget *old_focus=pointer_focus;
+
                translate_coords(x, y);
                button_release(x, y, btn);
+
+               if(!pointer_focus && !old_focus)
+                       signal_button_release.emit(x, geom.h-1-y, btn, mod);
        }
 }
 
@@ -50,19 +113,49 @@ void Root::pointer_motion_event(int x, int y)
        {
                translate_coords(x, y);
                pointer_motion(x, y);
+
+               if(!tooltip_target)
+               {
+                       pointer_x=x;
+                       pointer_y=y;
+                       tooltip_timeout=Time::now()+700*Time::msec;
+               }
+               else if(get_descendant_at(x, y)!=tooltip_target)
+               {
+                       if(lbl_tooltip)
+                               lbl_tooltip->set_visible(false);
+                       tooltip_target=0;
+               }
+
+               if(!pointer_focus)
+                       signal_pointer_motion.emit(x, geom.h-1-y);
        }
 }
 
 void Root::key_press_event(unsigned key, unsigned mod, wchar_t ch)
 {
        if(visible)
+       {
+               Widget *old_focus=input_focus;
+
                key_press(Input::key_from_sys(key), mod, ch);
+
+               if(!input_focus && !old_focus)
+                       signal_key_press.emit(key, mod, ch);
+       }
 }
 
 void Root::key_release_event(unsigned key, unsigned mod)
 {
        if(visible)
+       {
+               Widget *old_focus=input_focus;
+
                key_release(Input::key_from_sys(key), mod);
+
+               if(!input_focus && !old_focus)
+                       signal_key_release.emit(key, mod);
+       }
 }
 
 void Root::translate_coords(int &x, int &y)