324 lines
9.2 KiB
C
324 lines
9.2 KiB
C
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/*
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* Copyright (c) 2002-2004, Adam Dunkels.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* $Id: ctk-mouse.c,v 1.1 2006/06/17 22:41:15 adamdunkels Exp $
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*
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*/
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#include "process.h"
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#include "cc.h"
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#include "ctk/ctk.h"
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#include "ctk-draw.h"
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#include "contiki-conf.h"
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#include "ctk-mouse.h"
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unsigned short mouse_x, mouse_y, mouse_button;
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/*-----------------------------------------------------------------------------------*/
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EK_POLLHANDLER(ctk_poll)
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{
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static ctk_arch_key_t c;
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static unsigned char i;
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register struct ctk_window *window;
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register struct ctk_widget *widget;
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register struct ctk_widget **widgetptr;
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static unsigned char mxc, myc, mouse_button_changed, mouse_moved,
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mouse_clicked;
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static unsigned char menux;
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register struct ctk_menu *menu;
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mouse_button_changed = mouse_moved = mouse_clicked = 0;
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/* See if there is any change in the buttons. */
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if(ctk_mouse_button() != mouse_button) {
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mouse_button = ctk_mouse_button();
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mouse_button_changed = 1;
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if(mouse_button == 0) {
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mouse_clicked = 1;
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}
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}
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/* Check if the mouse pointer has moved. */
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if(ctk_mouse_x() != mouse_x ||
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ctk_mouse_y() != mouse_y) {
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mouse_x = ctk_mouse_x();
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mouse_y = ctk_mouse_y();
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mouse_moved = 1;
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}
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mxc = ctk_mouse_xtoc(mouse_x);
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myc = ctk_mouse_ytoc(mouse_y);
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if(mode == CTK_MODE_SCREENSAVER) {
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if(mouse_moved || mouse_button_changed) {
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ek_post(EK_BROADCAST, ctk_signal_screensaver_stop, NULL);
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mode = CTK_MODE_NORMAL;
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}
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} else {
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/* If there is any change in the mouse conditions, find out in
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which window the mouse pointer currently is in order to send
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the correct signals, or bring a window to focus. */
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if(mouse_moved || mouse_button_changed) {
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ctk_mouse_show();
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screensaver_timer = 0;
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if(myc == 0) {
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/* Here we should do whatever needs to be done when the mouse
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moves around and clicks in the menubar. */
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if(mouse_clicked) {
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static unsigned char titlelen;
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/* Find out which menu that the mouse pointer is in. Start
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with the ->next menu after the desktop menu. We assume
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that the menus start one character from the left screen
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side and that the desktop menu is farthest to the
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right. */
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menux = 1;
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for(menu = menus.menus->next;
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menu != NULL; menu = menu->next) {
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titlelen = menu->titlelen;
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if(mxc >= menux && mxc <= menux + titlelen) {
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break;
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}
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menux += titlelen;
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}
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/* Also check desktop menu. */
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if(mxc >= width - 7 &&
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mxc <= width - 1) {
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menu = &desktopmenu;
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}
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menus.open = menu;
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redraw |= REDRAW_MENUPART;
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}
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} else {
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--myc;
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if(menus.open != NULL) {
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static unsigned char nitems;
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/* Do whatever needs to be done when a menu is open. */
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/* First check if the mouse pointer is in the currently open
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menu. */
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if(menus.open == &desktopmenu) {
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menux = width - CTK_CONF_MENUWIDTH;
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} else {
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menux = 1;
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for(menu = menus.menus->next; menu != menus.open;
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menu = menu->next) {
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menux += menu->titlelen;
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}
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}
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nitems = menus.open->nitems;
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/* Find out which of the menu items the mouse is pointing
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to. */
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if(mxc >= menux && mxc <= menux + CTK_CONF_MENUWIDTH) {
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if(myc <= nitems) {
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menus.open->active = myc;
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} else {
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menus.open->active = nitems - 1;
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}
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}
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if(mouse_clicked) {
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if(mxc >= menux && mxc <= menux + CTK_CONF_MENUWIDTH &&
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myc <= nitems) {
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redraw |= activate_menu();
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} else {
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lastmenu = menus.open;
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menus.open = NULL;
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redraw |= REDRAW_MENUPART;
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}
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} else {
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redraw |= REDRAW_MENUS;
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}
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} else {
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/* Walk through the windows from top to bottom to see in
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which window the mouse pointer is. */
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if(dialog != NULL) {
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window = dialog;
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} else {
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for(window = windows; window != NULL;
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window = window->next) {
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/* Check if the mouse is within the window. */
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if(mxc >= window->x &&
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mxc <= window->x + window->w +
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2 * ctk_draw_windowborder_width &&
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myc >= window->y &&
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myc <= window->y + window->h +
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ctk_draw_windowtitle_height +
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ctk_draw_windowborder_height) {
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break;
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}
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}
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}
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/* If we didn't find any window, and there are no windows
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open, the mouse pointer will definately be within the
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background desktop window. */
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if(window == NULL) {
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window = &desktop_window;
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}
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/* If the mouse pointer moves around outside of the
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currently focused window (or dialog), we should not have
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any focused widgets in the focused window so we make sure
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that there are none. */
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if(windows != NULL &&
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window != windows &&
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windows->focused != NULL){
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unfocus_widget(windows->focused);
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}
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if(window != NULL) {
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/* If the mouse was clicked outside of the current window,
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we bring the clicked window to front. */
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if(dialog == NULL &&
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window != &desktop_window &&
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window != windows &&
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mouse_clicked) {
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/* Bring window to front. */
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ctk_window_open(window);
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redraw |= REDRAW_ALL;
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} else {
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/* Find out which widget currently is under the mouse
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pointer and give it focus, unless it already has
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focus. */
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mxc = mxc - window->x - ctk_draw_windowborder_width;
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myc = myc - window->y - ctk_draw_windowtitle_height;
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/* See if the mouse pointer is on a widget. If so, it
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should be selected and, if the button is clicked,
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activated. */
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for(widget = window->active; widget != NULL;
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widget = widget->next) {
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if(mxc >= widget->x &&
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mxc <= widget->x + widget->w &&
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(myc == widget->y ||
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((widget->type == CTK_WIDGET_BITMAP ||
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widget->type == CTK_WIDGET_ICON) &&
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(myc >= widget->y &&
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myc <= widget->y +
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((struct ctk_bitmap *)widget)->h)))) {
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break;
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}
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}
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/* if the mouse is moved in the focused window, we emit
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a ctk_signal_pointer_move signal to the owner of the
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window. */
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if(mouse_moved &&
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(window != &desktop_window ||
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windows == NULL)) {
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ek_post(window->owner, ctk_signal_pointer_move, NULL);
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/* If there was a focused widget that is not below the
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mouse pointer, we remove focus from the widget and
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redraw it. */
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if(window->focused != NULL &&
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widget != window->focused) {
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unfocus_widget(window->focused);
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}
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redraw |= REDRAW_WIDGETS;
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if(widget != NULL) {
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select_widget(widget);
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}
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}
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if(mouse_button_changed) {
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ek_post(window->owner, ctk_signal_pointer_button,
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(ek_data_t)mouse_button);
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if(mouse_clicked && widget != NULL) {
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select_widget(widget);
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redraw |= activate(widget);
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}
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}
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}
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}
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}
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}
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}
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if(ctk_arch_keyavail()) {
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ctk_mouse_hide();
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}
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#if CTK_CONF_WINDOWMOVE
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} else if(mode == CTK_MODE_WINDOWMOVE) {
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/* If the mouse has moved, we move the window as well. */
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if(mouse_moved) {
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if(window->w + mxc + 2 >= width) {
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window->x = width - 2 - window->w;
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} else {
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window->x = mxc;
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}
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if(window->h + myc + ctk_draw_windowtitle_height +
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ctk_draw_windowborder_height >= height) {
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window->y = height - window->h -
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ctk_draw_windowtitle_height - ctk_draw_windowborder_height;
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} else {
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window->y = myc;
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}
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if(window->y > 0) {
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--window->y;
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}
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redraw = REDRAW_ALL;
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}
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/* Check if the mouse has been clicked, and stop moving the window
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if so. */
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if(mouse_button_changed &&
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mouse_button == 0) {
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mode = CTK_MODE_NORMAL;
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redraw = REDRAW_ALL;
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}
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#endif /* CTK_CONF_WINDOWMOVE */
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}
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}
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/*-----------------------------------------------------------------------------------*/
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