Add Text class with multiline support

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

diff --git a/source/root.cpp b/source/root.cpp
index 32cd87940fe22e71abcef2769f2c3b6516181005..0cd7e0f35d20ddb40a713e3d87beee7253bf0433 100644 (file)
--- a/source/root.cpp
+++ b/source/root.cpp
@@ -1,11 +1,26 @@
+/* $Id$
+
+This file is part of libmspgltk
+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(Resources &r, Window &w):
+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()));
 
@@ -14,24 +29,102 @@ Root::Root(Resources &r, Window &w):
        window.signal_button_press.connect(sigc::mem_fun(this, &Root::button_press_event));
        window.signal_button_release.connect(sigc::mem_fun(this, &Root::button_release_event));
        window.signal_pointer_motion.connect(sigc::mem_fun(this, &Root::pointer_motion_event));
+       window.signal_key_press.connect(sigc::mem_fun(this, &Root::key_press_event));
+       window.signal_key_release.connect(sigc::mem_fun(this, &Root::key_release_event));
+}
+
+void Root::tick()
+{
+       if(tooltip_timeout && Time::now()>tooltip_timeout)
+       {
+               if(Widget *wdg=get_descendant_at(pointer_x, pointer_y))
+               {
+                       const std::string &tip=wdg->get_tooltip();
+                       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();
+                               tooltip_target=wdg;
+                       }
+               }
+       }
 }
 
 void Root::button_press_event(int x, int y, unsigned btn, unsigned)
 {
-       translate_coords(x, y);
-       button_press(x, y, btn);
+       if(visible)
+       {
+               translate_coords(x, y);
+               button_press(x, y, btn);
+       }
 }
 
 void Root::button_release_event(int x, int y, unsigned btn, unsigned)
 {
-       translate_coords(x, y);
-       button_release(x, y, btn);
+       if(visible)
+       {
+               translate_coords(x, y);
+               button_release(x, y, btn);
+       }
 }
 
 void Root::pointer_motion_event(int x, int y)
 {
-       translate_coords(x, y);
-       pointer_motion(x, y);
+       if(visible)
+       {
+               translate_coords(x, y);
+               pointer_motion(x, y);
+
+               if(!tooltip_target)
+               {
+                       if(pointer_focus)
+                       {
+                               pointer_x=x;
+                               pointer_y=y;
+                               tooltip_timeout=Time::now()+700*Time::msec;
+                       }
+                       else
+                               tooltip_timeout=Time::TimeStamp();
+               }
+               else if(get_descendant_at(x, y)!=tooltip_target)
+               {
+                       lbl_tooltip->set_visible(false);
+                       tooltip_target=0;
+               }
+       }
+}
+
+void Root::key_press_event(unsigned key, unsigned mod, wchar_t ch)
+{
+       if(visible)
+               key_press(Input::key_from_sys(key), mod, ch);
+}
+
+void Root::key_release_event(unsigned key, unsigned mod)
+{
+       if(visible)
+               key_release(Input::key_from_sys(key), mod);
 }
 
 void Root::translate_coords(int &x, int &y)