+++ /dev/null
-/*
-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 <limits.h>
-#include <stdexcept>
-#include <stdio.h> // TODO
-
-#include "gfx.h"
-#include "mouse.h"
-#include "mouse_cursor.h"
-#include "shalloc.h"
-#include "text.h"
-#include "window.h"
-#include "winnie.h"
-#include "wm.h"
-
-#define DCLICK_INTERVAL 400
-
-WindowManager *wm;
-
-static void display(Window *win);
-static void mouse(Window *win, int bn, bool pressed, int x, int y);
-static void motion(Window *win, int x, int y);
-
-bool init_window_manager()
-{
- void *wm_mem;
- if(!(wm_mem = sh_malloc(sizeof *wm))) {
- return false;
- }
-
- wm = new (wm_mem) WindowManager;
-
- get_subsys()->wm_offset = (int)((char*)wm - (char*)get_pool());
-
- return true;
-}
-
-void destroy_window_manager()
-{
- wm->~WindowManager();
- sh_free(wm);
-}
-
-void WindowManager::create_frame(Window *win)
-{
- Window *frame = new Window;
- Window *parent = win->get_parent();
-
- frame->set_display_callback(display);
- frame->set_mouse_button_callback(mouse);
- frame->set_mouse_motion_callback(motion);
- frame->set_focusable(false);
- frame->add_child(win);
-
- windows.push_back(frame);
-
- Rect win_rect = win->get_rect();
- frame->move(win_rect.x - frame_thickness,
- win_rect.y - frame_thickness - titlebar_thickness);
- frame->resize(win_rect.width + frame_thickness * 2,
- win_rect.height + frame_thickness * 2 + titlebar_thickness);
-
- win->move(frame_thickness, frame_thickness + titlebar_thickness);
- parent->add_child(frame);
-}
-
-void WindowManager::destroy_frame(Window *win)
-{
- Window *frame = win->parent;
- if(!frame) {
- return;
- }
-
- if(grab_win == win) {
- release_mouse();
- }
-
- std::list<Window*>::iterator it;
- it = std::find(windows.begin(), windows.end(), frame);
- if(it != windows.end()) {
- root_win->add_child(win);
- windows.erase(it);
- delete frame;
- }
-}
-
-WindowManager::WindowManager()
-{
- if(!wm) {
- wm = this;
- } else {
- throw std::runtime_error("Trying to create a second instance of WindowManager!\n");
- }
-
- root_win = new Window;
- root_win->resize(get_screen_size().width, get_screen_size().height);
- root_win->move(0, 0);
- root_win->set_managed(false);
-
- grab_win = 0;
- focused_win = 0;
- background = 0;
-
- bg_color[0] = 210;
- bg_color[1] = 106;
- bg_color[2] = 106;
-
- frame_thickness = 8;
- titlebar_thickness = 16;
-
- set_focused_frame_color(0, 0, 0);
- set_unfocused_frame_color(200, 200, 200);
-
- mouse_cursor.set_image(mouse_cursor_width, mouse_cursor_height);
- unsigned char *pixels = mouse_cursor.get_image();
-
- for(int i=0; i<mouse_cursor_height; i++) {
- for(int j=0; j<mouse_cursor_width; j++) {
- int val = mouse_cursor_bw[i * mouse_cursor_width + j];
- *pixels++ = val;
- *pixels++ = val;
- *pixels++ = val;
- *pixels++ = 255;
- }
- }
-}
-
-WindowManager::~WindowManager()
-{
- delete root_win;
-}
-
-void WindowManager::invalidate_region(const Rect &rect)
-{
- dirty_rects.push_back(rect);
-}
-
-void WindowManager::process_windows()
-{
- if(dirty_rects.empty()) {
- return;
- }
-
- std::list<Rect>::iterator drit = dirty_rects.begin();
- Rect uni = *drit++;
- while(drit != dirty_rects.end()) {
- uni = rect_union(uni, *drit++);
- }
- dirty_rects.clear();
-
- wait_vsync();
-
- if(!background) {
- fill_rect(uni, bg_color[0], bg_color[1], bg_color[2]);
- }
- else {
- blit(background->pixels, Rect(0, 0, background->width, background->height),
- get_framebuffer(), get_screen_size(), 0, 0);
- }
-
- root_win->draw_children(uni);
-
- // draw mouse cursor
- int mouse_x, mouse_y;
- get_pointer_pos(&mouse_x, &mouse_y);
-
- blit_key(mouse_cursor.get_image(), mouse_cursor.get_rect(),
- get_framebuffer(), get_screen_size(), mouse_x, mouse_y,
- 0, 0, 0);
-
- Rect mouse_rect(mouse_x, mouse_y, mouse_cursor.get_width(), mouse_cursor.get_height());
- invalidate_region(mouse_rect);
-
- gfx_update(uni);
-}
-
-void WindowManager::add_window(Window *win)
-{
- if(!win || win == root_win) {
- return;
- }
-
- root_win->add_child(win);
-
- if(windows.empty()) {
- focused_win = win;
- }
-
- if(win->get_managed()) {
- create_frame(win);
- }
-
- windows.push_back(win);
-}
-
-void WindowManager::remove_window(Window *win)
-{
- std::list<Window*>::iterator it;
- it = std::find(windows.begin(), windows.end(), win);
-
- if(it != windows.end()) {
- windows.erase(it);
- }
-}
-
-void WindowManager::set_focused_window(Window *win)
-{
- if(win && win == focused_win) {
- return;
- }
-
- Window *parent;
- if(focused_win) {
- // invalidate the frame (if any)
- parent = focused_win->get_parent();
- if(parent && parent != root_win) {
- parent->invalidate();
- fill_rect(parent->get_absolute_rect(), frame_ucolor[0], frame_ucolor[1], frame_ucolor[2]);
- }
- }
-
- if(!win) {
- focused_win = 0;
- return;
- }
-
- if(win->get_focusable()) {
- focused_win = win;
- parent = focused_win->get_parent();
- fill_rect(parent->get_absolute_rect(), frame_fcolor[0], frame_fcolor[1], frame_fcolor[2]);
- return;
- }
-
- Window **children = win->get_children();
- for(int i=0; i<win->get_children_count(); i++) {
- if(children[0]->get_focusable()) {
- set_focused_window(children[0]);
- fill_rect(win->get_absolute_rect(), frame_fcolor[0], frame_fcolor[1], frame_fcolor[2]);
- return;
- }
- }
-
- focused_win = 0;
-}
-
-const Window *WindowManager::get_focused_window() const
-{
- return focused_win;
-}
-
-Window *WindowManager::get_focused_window()
-{
- return focused_win;
-}
-
-Window *WindowManager::get_window_at_pos(int pointer_x, int pointer_y)
-{
- Window *root_win = wm->get_root_window();
- Window **children = root_win->get_children();
- for(int i=root_win->get_children_count() - 1; i>=0; i--) {
- if(children[i]->contains_point(pointer_x, pointer_y)) {
- return children[i];
- }
- }
-
- return 0;
-}
-
-Window *WindowManager::get_root_window() const
-{
- return root_win;
-}
-
-void WindowManager::set_focused_frame_color(int r, int g, int b)
-{
- frame_fcolor[0] = r;
- frame_fcolor[1] = g;
- frame_fcolor[2] = b;
-}
-
-void WindowManager::get_focused_frame_color(int *r, int *g, int *b) const
-{
- *r = frame_fcolor[0];
- *g = frame_fcolor[1];
- *b = frame_fcolor[2];
-}
-
-void WindowManager::set_unfocused_frame_color(int r, int g, int b)
-{
- frame_ucolor[0] = r;
- frame_ucolor[1] = g;
- frame_ucolor[2] = b;
-}
-
-void WindowManager::get_unfocused_frame_color(int *r, int *g, int *b) const
-{
- *r = frame_ucolor[0];
- *g = frame_ucolor[1];
- *b = frame_ucolor[2];
-}
-
-void WindowManager::set_background(const Pixmap *pixmap)
-{
- if(background) {
- delete background;
- }
-
- if(pixmap) {
- background = new Pixmap(*pixmap);
- }
- else {
- background = 0;
- }
-}
-
-const Pixmap *WindowManager::get_background() const
-{
- return background;
-}
-
-Window *WindowManager::get_grab_window() const
-{
- return grab_win;
-}
-
-void WindowManager::grab_mouse(Window *win)
-{
- grab_win = win;
-}
-
-void WindowManager::release_mouse()
-{
- grab_win = 0;
-}
-
-void WindowManager::raise_window(Window *win)
-{
- if(!win) {
- return;
- }
-
- Window *parent = win->get_parent();
- if(parent != root_win) {
- if(parent->get_parent() == root_win) {
- win = parent;
- }
- else {
- return;
- }
- }
-
- root_win->remove_child(win);
- root_win->add_child(win);
-}
-
-void WindowManager::sink_window(Window *win)
-{
- if(!win) {
- return;
- }
-
- std::list<Window*>::iterator it;
- it = std::find(windows.begin(), windows.end(), win);
- if(it != windows.end()) {
- windows.erase(it);
- windows.push_front(win);
- }
-}
-
-void WindowManager::maximize_window(Window *win)
-{
- win->normal_rect = win->rect;
-
- Rect rect = get_screen_size();
-
- Window *frame;
- if((frame = win->get_parent())) {
- frame->normal_rect = frame->rect;
- frame->resize(rect.width, rect.height);
- frame->move(rect.x, rect.y);
-
- rect.width -= frame_thickness * 2;
- rect.height -= frame_thickness * 2 + titlebar_thickness;
- }
- else {
- win->move(0, 0);
- }
-
- win->resize(rect.width, rect.height);
- win->set_state(Window::STATE_MAXIMIZED);
-}
-
-void WindowManager::unmaximize_window(Window *win)
-{
- win->resize(win->normal_rect.width, win->normal_rect.height);
- win->move(win->normal_rect.x, win->normal_rect.y);
-
- Window *frame;
- if((frame = win->get_parent())) {
- frame->resize(frame->normal_rect.width, frame->normal_rect.height);
- frame->move(frame->normal_rect.x, frame->normal_rect.y);
- }
-
- win->set_state(Window::STATE_NORMAL);
-}
-
-static void display(Window *win)
-{
- //frame display:
- Window *child = win->get_children()[0];
- int r, g, b;
- Rect abs_rect = win->get_absolute_rect();
-
- //TODO 5 not hardcoded
- set_text_position(abs_rect.x + 5, abs_rect.y + 15);
- set_text_color(255, 255, 255);
-
- if(child == wm->get_focused_window()) {
- wm->get_focused_frame_color(&r, &g, &b);
- fill_rect(abs_rect, r, g, b);
- }
- else {
- wm->get_unfocused_frame_color(&r, &g, &b);
- fill_rect(win->get_absolute_rect(), r, g, b);
- }
-
- draw_text(child->get_title());
-}
-
-static int prev_x, prev_y;
-
-static void mouse(Window *win, int bn, bool pressed, int x, int y)
-{
- static long last_click = 0;
-
- if(bn == 0) {
- if(pressed) {
- wm->grab_mouse(win);
- wm->raise_window(win);
- prev_x = x;
- prev_y = y;
- }
- else {
- long time = winnie_get_time();
- if((time - last_click) < DCLICK_INTERVAL) {
- Window *child = win->get_children()[0];
- Window::State state = child->get_state();
- if(state == Window::STATE_MAXIMIZED) {
- wm->unmaximize_window(child);
- }
- else if(state == Window::STATE_NORMAL) {
- wm->maximize_window(child);
- }
- }
- last_click = time;
-
- wm->release_mouse();
- }
- }
-}
-
-static void motion(Window *win, int x, int y)
-{
- int left_bn = get_button(0);
-
- if(left_bn) {
- int dx = x - prev_x;
- int dy = y - prev_y;
- prev_x = x - dx;
- prev_y = y - dy;
-
- if(win->get_children()[0]->get_state() != Window::STATE_MAXIMIZED) {
- Rect rect = win->get_rect();
- win->move(rect.x + dx, rect.y + dy);
- }
- }
-}
projects / winnie / blobdiff