126 lines
3.5 KiB
C
126 lines
3.5 KiB
C
/*
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wmget - A background download manager as a Window Maker dock app
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Copyright (c) 2001-2003 Aaron Trickey <aaron@amtrickey.net>
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation files
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(the "Software"), to deal in the Software without restriction,
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including without limitation the rights to use, copy, modify, merge,
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publish, distribute, sublicense, and/or sell copies of the Software,
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and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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********************************************************************
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dockapp/da_mouse.c - Mouse/clickregion handling
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This code keeps track of app-registered ``clickregions'', which
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represent clickable rectangles and button/modifier masks associated
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with app callbacks.
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*/
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#include <stdio.h>
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#include <sys/types.h>
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#include "dockapp.h"
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#define DOCKAPP_EXPOSE_INTERNALS
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#include "da_mouse.h"
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typedef struct {
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int x, y, w, h;
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int buttonmask;
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dockapp_rv_t (*cb) (void *, int x, int y);
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void *cbdata;
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} da_clickregion;
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/* for now we use a simple array of clickregions
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*/
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#define DA_MAX_CLICKREGIONS 50
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static da_clickregion da_clickregions[DA_MAX_CLICKREGIONS];
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static size_t da_num_clickregions = 0;
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/* a mouse-down simply stores the mouse state here for later processing
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* by a mouse-up
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*/
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static int da_mouse_down_x;
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static int da_mouse_down_y;
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static int da_mouse_down_buttons;
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void da_mouse_button_down (int x, int y, int buttons)
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{
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/* fprintf (stderr, "hello from da_mouse_button_down\n"); */
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da_mouse_down_x = x;
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da_mouse_down_y = y;
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da_mouse_down_buttons = buttons;
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}
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dockapp_rv_t da_mouse_button_up (int x, int y, int buttons)
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{
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da_clickregion *c, *end;
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/*
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fprintf (stderr, "hello from da_mouse_button_up, btns=0x%02x\n",
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buttons);
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*/
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end = da_clickregions + da_num_clickregions;
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for (c = da_clickregions; c < end; ++c) {
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if (((buttons & c->buttonmask) == c->buttonmask)
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&& x >= c->x && x < c->x + c->w
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&& y >= c->y && y < c->y + c->h
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&& da_mouse_down_x >= c->x && da_mouse_down_x < c->x + c->w
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&& da_mouse_down_y >= c->y && da_mouse_down_y < c->y + c->h) {
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if (c->cb (c->cbdata, x, y) == dockapp_exit)
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return dockapp_exit;
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}
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}
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return dockapp_ok;
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}
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dockapp_rv_t dockapp_add_clickregion (
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int x, int y, int w, int h,
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int buttonmask,
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dockapp_rv_t (*cb) (void *, int x, int y),
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void *cbdata)
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{
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da_clickregion *c;
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if (da_num_clickregions >= DA_MAX_CLICKREGIONS)
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return dockapp_rv_too_many_clickregions;
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c = da_clickregions + da_num_clickregions++;
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c->x = x;
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c->y = y;
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c->w = w;
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c->h = h;
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c->buttonmask = buttonmask;
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c->cb = cb;
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c->cbdata = cbdata;
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return dockapp_ok;
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}
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