src/widgets/button.c

   1 /*************************************************************************
   2 * Copyright (C) 2024 Francesco Palumbo <phranz.dev@gmail.com>, Naples (Italy)
   3 *
   4 * This program is free software: you can redistribute it and/or modify
   5 * it under the terms of the GNU General Public License as published by
   6 * the Free Software Foundation, either version 3 of the License, or
   7 * (at your option) any later version.
   8 *
   9 * This program is distributed in the hope that it will be useful,
  10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 * GNU General Public License for more details.
  13 *
  14 * You should have received a copy of the GNU General Public License
  15 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16 *************************************************************************/
  17
  18 #include "button.h"
  19 #include "../dectypes.h"
  20
  21 extern GC gc;
  22 extern Atom delatom;
  23 extern Display* display;
  24 extern Window root;
  25 extern int screen;
  26 extern map_strcol_t* colors;
  27
  28 extern map_widloci_t* widlines;
  29 extern map_widloci_t* widareas;
  30 extern map_widarcssets_t* widarcssets;
  31 extern map_widarcssets_t* widarcsareas;
  32 extern map_widloci_t* widloci;
  33 extern map_widloci_t* widpixels;
  34 extern map_widnamedpoints_t* widnamedpoints;
  35
  36 static void draw(widget_t* w) {
  37     if (w->flags & F_LPRESSED || w->flags & F_RPRESSED || w->flags & F_MPRESSED) {
  38         XSetWindowBackground(display, w->wid, w->pbg->pixel);
  39         XSetForeground(display, gc, w->pfg->pixel);
  40     } else if (w->flags & F_HOVERED && w->flags & F_APPLYHOVER) {
  41         XSetWindowBackground(display, w->wid, w->hbg->pixel);
  42         XSetForeground(display, gc, w->hfg->pixel);
  43     #ifdef ENABLE_IMAGES
  44     } else if (w->img) {
  45         updateimg(w);
  46     #endif
  47     } else {
  48         XSetWindowBackground(display, w->wid, w->bg->pixel);
  49         XSetForeground(display, gc, w->fg->pixel);
  50     }
  51     XSetFont(display, gc, w->fs->fid);
  52     XClearWindow(display, w->wid);
  53     write_align(w, w->data, w->align, NULL);
  54     if (widareas)
  55         drawareas(w);
  56     if (widarcsareas)
  57         drawarcsareas(w);
  58     if (widlines)
  59         drawlines(w);
  60     if (widarcssets)
  61         drawarcs(w);
  62     if (widloci)
  63         drawpoints(w);
  64     if (widpixels)
  65         drawpixels(w);
  66     if (widnamedpoints)
  67         drawnamedpoints(w);
  68 }
  69
  70 void button_t_free(button_t* p) {
  71     ((widget_t*)p)->free((widget_t*)p);
  72     free(p);
  73 }
  74
  75 button_t* button_t_init(button_t* p, int ww, int hh) {
  76     if (!p)
  77         return NULL;
  78     memset(p, 0, sizeof(button_t));
  79
  80     widget_t* w = (widget_t*)p;
  81     widget_t_init(w);
  82
  83     p->free = button_t_free;
  84     w->draw = draw;
  85
  86     w->w = ww ? ww : 120;
  87     w->h = hh ? hh : 40;
  88     w->b = 2;
  89
  90     colors->get(colors, "lightgray", &w->bg);
  91     colors->get(colors, "black", &w->fg);
  92
  93     colors->get(colors, "gray", &w->pbg);
  94     colors->get(colors, "black", &w->pfg);
  95
  96     colors->get(colors, "lightgray", &w->hbg);
  97     colors->get(colors, "black", &w->hfg);
  98
  99     XSetWindowAttributes wa = {0};
 100     w->wid = XCreateWindow(display, root, w->x, w->y, w->w, w->h, w->b, DefaultDepth(display, screen), InputOutput, DefaultVisual(display, screen), CWOverrideRedirect, &wa);
 101
 102     w->mask = VisibilityChangeMask|ExposureMask|ButtonPressMask|ButtonReleaseMask|StructureNotifyMask;
 103     XSelectInput(display, w->wid, w->mask);
 104     XSetWMProtocols(display, w->wid, &delatom, 1);
 105     fixed(w, 0);
 106
 107     return p;
 108 }