X-Git-Url: http://git.mutantstargoat.com?p=winnie;a=blobdiff_plain;f=src%2Fwindow.cc;h=04f72cd9e4ebd83010660db32c2ba0daec6c407b;hp=880a6ed9c98445f78af89b95f754cc3e23a75eaf;hb=e2626c41c841dbbfb64ddf6341b4e23089036299;hpb=ffd2c0a0f8b898cb4199a0c63aff255a85cc0f11

diff --git a/src/window.cc b/src/window.cc
index 880a6ed..04f72cd 100644
--- a/src/window.cc
+++ b/src/window.cc
@@ -1,19 +1,52 @@
+/*
+winnie - an experimental window system
+
+Copyright (C) 2013 Eleni Maria Stea
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Author: Eleni Maria Stea <elene.mst@gmail.com>
+*/
+
+#include <algorithm>
+#include <stdio.h> //TODO
 #include <string.h>
+
 #include "gfx.h"
 #include "window.h"
 #include "wm.h"
 
 Window::Window()
 {
+	parent = 0;
 	title = 0;
 	rect.x = rect.y = 0;
 	rect.width = rect.height = 128;
 	memset(&callbacks, 0, sizeof callbacks);
 	dirty = true;
+	managed = true;
+	focusable = true;
+	state = STATE_NORMAL;
 }
 
 Window::~Window()
 {
+	for(size_t i=0; i<children.size(); i++) {
+		wm->remove_window(children[i]);
+		delete children[i];
+	}
+
 	delete [] title;
 }
 
@@ -22,6 +55,30 @@ const Rect &Window::get_rect() const
 	return rect;
 }
 
+Rect Window::get_absolute_rect() const
+{
+	if(!parent) {
+		return rect;
+	}
+
+	Rect absolute_rect;
+	absolute_rect = parent->get_absolute_rect();
+
+	absolute_rect.x += rect.x;
+	absolute_rect.y += rect.y;
+	absolute_rect.width = rect.width;
+	absolute_rect.height = rect.height;
+
+	return absolute_rect;
+}
+
+bool Window::contains_point(int ptr_x, int ptr_y)
+{
+	Rect abs_rect = get_absolute_rect();
+	return ptr_x >= abs_rect.x && ptr_x < abs_rect.x + abs_rect.width &&
+			ptr_y >= abs_rect.y && ptr_y < abs_rect.y + abs_rect.height;
+}
+
 void Window::move(int x, int y)
 {
 	invalidate();	// moved, should redraw, MUST BE CALLED FIRST
@@ -52,21 +109,43 @@ const char *Window::get_title() const
 void Window::invalidate()
 {
 	dirty = true;
-	wm->invalidate_region(rect);
+	Rect abs_rect = get_absolute_rect();
+	wm->invalidate_region(abs_rect);
+}
+
+void Window::draw(Rect *dirty_region)
+{
+	Rect abs_rect = get_absolute_rect();
+	Rect intersect = rect_intersection(abs_rect, *dirty_region);
+	if(intersect.width && intersect.height) {
+		Rect prev_clip = get_clipping_rect();
+		set_clipping_rect(abs_rect);
+		
+		if(callbacks.display) {
+			callbacks.display(this);
+		}
+		dirty = false;
+
+		draw_children(abs_rect);
+		
+		*dirty_region = rect_union(*dirty_region, abs_rect);
+		set_clipping_rect(prev_clip);
+	}
 }
 
-void Window::draw()
+void Window::draw_children(const Rect &dirty_region)
 {
-	//TODO
-	//titlebar, frame
-	callbacks.display(this);
-	dirty = false;
+	Rect drect = dirty_region;
+	for(size_t i=0; i<children.size(); i++) {
+		children[i]->draw(&drect);
+	}
 }
 
 unsigned char *Window::get_win_start_on_fb()
 {
 	unsigned char *fb = get_framebuffer();
-	return fb + get_color_depth() * (get_screen_size().x * rect.y + rect.x) / 8;
+	Rect abs_rect = get_absolute_rect();
+	return fb + get_color_depth() * (get_screen_size().x * abs_rect.y + abs_rect.x) / 8;
 }
 
 int Window::get_scanline_width()
@@ -74,6 +153,31 @@ int Window::get_scanline_width()
 	return get_screen_size().x;
 }
 
+void Window::set_managed(bool managed)
+{
+	this->managed = managed;
+}
+
+bool Window::get_managed() const
+{
+	return managed;
+}
+
+void Window::set_focusable(bool focusable)
+{
+	this->focusable = focusable;
+}
+
+bool Window::get_focusable() const
+{
+	return focusable;
+}
+
+bool Window::get_dirty() const
+{
+	return dirty;
+}
+
 void Window::set_display_callback(DisplayFuncType func)
 {
 	callbacks.display = func;
@@ -113,3 +217,55 @@ const MouseMotionFuncType Window::get_mouse_motion_callback() const
 {
 	return callbacks.motion;
 }
+
+void Window::add_child(Window *win)
+{
+	children.push_back(win);
+	if(win->parent) {
+		win->parent->remove_child(win);
+	}
+	win->parent = this;
+}
+
+void Window::remove_child(Window *win)
+{
+	std::vector<Window*>::iterator it;
+	it = std::find(children.begin(), children.end(), win);
+	if(it != children.end()) {
+		children.erase(it);
+		win->parent = 0;
+	}
+}
+
+Window **Window::get_children()
+{
+	if(children.empty()) {
+		return 0;
+	}
+	return &children[0];
+}
+
+int Window::get_children_count() const
+{
+	return (int)children.size();
+}
+
+const Window *Window::get_parent() const
+{
+	return parent;
+}
+
+Window *Window::get_parent()
+{
+	return parent;
+}
+
+void Window::set_state(State state)
+{
+	this->state = state;
+}
+
+Window::State Window::get_state() const
+{
+	return state;
+}