git.maemo.org Git - skippy-xd/blob - tooltip.c

   1 /* Skippy - Seduces Kids Into Perversion
   2  *
   3  * Copyright (C) 2004 Hyriand <hyriand@thegraveyard.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20 #include "skippy.h"
  21
  22 void
  23 tooltip_destroy(Tooltip *tt)
  24 {
  25         if(tt->text)
  26                 free(tt->text);
  27         if(tt->font)
  28                 XftFontClose(tt->mainwin->dpy, tt->font);
  29         if(tt->draw)
  30                 XftDrawDestroy(tt->draw);
  31         if(tt->color.pixel != None)
  32                 XftColorFree(tt->mainwin->dpy,
  33                              tt->mainwin->visual,
  34                              tt->mainwin->colormap,
  35                              &tt->color);
  36         if(tt->background.pixel != None)
  37                 XftColorFree(tt->mainwin->dpy,
  38                              tt->mainwin->visual,
  39                              tt->mainwin->colormap,
  40                              &tt->background);
  41         if(tt->border.pixel != None)
  42                 XftColorFree(tt->mainwin->dpy,
  43                              tt->mainwin->visual,
  44                              tt->mainwin->colormap,
  45                              &tt->border);
  46         if(tt->shadow.pixel != None)
  47                 XftColorFree(tt->mainwin->dpy,
  48                              tt->mainwin->visual,
  49                              tt->mainwin->colormap,
  50                              &tt->shadow);
  51         if(tt->window != None)
  52                 XDestroyWindow(tt->mainwin->dpy, tt->window);
  53
  54         free(tt);
  55 }
  56
  57 Tooltip *
  58 tooltip_create(MainWin *mw, dlist *config)
  59 {
  60         Tooltip *tt;
  61         XSetWindowAttributes attr;
  62         const char *tmp;
  63         long int tmp_l;
  64
  65         tt = (Tooltip *)malloc(sizeof(Tooltip));
  66         if(! tt)
  67                 return 0;
  68
  69         tt->mainwin = mw;
  70         tt->window = None;
  71         tt->font = 0;
  72         tt->draw = 0;
  73         tt->text = 0;
  74         tt->color.pixel = tt->background.pixel = tt->border.pixel = tt->shadow.pixel = None;
  75
  76         attr.override_redirect = True;
  77         attr.border_pixel = None;
  78         attr.background_pixel = None;
  79         attr.event_mask = ExposureMask;
  80         attr.colormap = mw->colormap;
  81
  82         tt->window = XCreateWindow(mw->dpy, mw->root,
  83                                    0, 0, 1, 1, 0,
  84                                    mw->depth, InputOutput, mw->visual,
  85                                    CWBorderPixel|CWBackPixel|CWOverrideRedirect|CWEventMask|CWColormap,
  86                                    &attr);
  87         if(tt->window == None)
  88         {
  89                 fprintf(stderr, "WARNING: Couldn't create tooltip window.\n");
  90                 tooltip_destroy(tt);
  91                 return 0;
  92         }
  93
  94         tmp = config_get(config, "tooltip", "border", "#e0e0e0");
  95         if(! XftColorAllocName(mw->dpy, mw->visual, mw->colormap, tmp, &tt->border))
  96         {
  97                 fprintf(stderr, "WARNING: Invalid color '%s'.\n", tmp);
  98                 tooltip_destroy(tt);
  99                 return 0;
 100         }
 101
 102         tmp = config_get(config, "tooltip", "background", "#404040");
 103         if(! XftColorAllocName(mw->dpy, mw->visual, mw->colormap, tmp, &tt->background))
 104         {
 105                 fprintf(stderr, "WARNING: Invalid color '%s'.\n", tmp);
 106                 tooltip_destroy(tt);
 107                 return 0;
 108         }
 109
 110         tmp = config_get(config, "tooltip", "opacity", "128");
 111         tmp_l = MIN(MAX(0, strtol(tmp, 0, 0) * 256), 65535);
 112         tt->background.color.alpha = tmp_l;
 113         tt->border.color.alpha = tmp_l;
 114
 115         tmp = config_get(config, "tooltip", "text", "#e0e0e0");
 116         if(! XftColorAllocName(mw->dpy, mw->visual, mw->colormap, tmp, &tt->color))
 117         {
 118                 fprintf(stderr, "WARNING: Couldn't allocate color '%s'.\n", tmp);
 119                 tooltip_destroy(tt);
 120                 return 0;
 121         }
 122
 123         tmp = config_get(config, "tooltip", "textShadow", "black");
 124         if(strcasecmp(tmp, "none") != 0)
 125         {
 126                 if(! XftColorAllocName(mw->dpy, mw->visual, mw->colormap, tmp, &tt->shadow))
 127                 {
 128                         fprintf(stderr, "WARNING: Couldn't allocate color '%s'.\n", tmp);
 129                         tooltip_destroy(tt);
 130                         return 0;
 131                 }
 132         }
 133
 134         tt->draw = XftDrawCreate(mw->dpy, tt->window, mw->visual, mw->colormap);
 135         if(! tt->draw)
 136         {
 137                 fprintf(stderr, "WARNING: Couldn't create Xft draw surface.\n");
 138                 tooltip_destroy(tt);
 139                 return 0;
 140         }
 141
 142         tt->font = XftFontOpenName(mw->dpy, mw->screen, config_get(config, "tooltip", "font", "fixed-11:weight=bold"));
 143         if(! tt->font)
 144         {
 145                 fprintf(stderr, "WARNING: Couldn't open Xft font.\n");
 146                 tooltip_destroy(tt);
 147                 return 0;
 148         }
 149
 150         tt->font_height = tt->font->ascent + tt->font->descent;
 151
 152         return tt;
 153 }
 154
 155 void
 156 tooltip_map(Tooltip *tt, int x, int y, const FcChar8 *text, int len)
 157 {
 158         XUnmapWindow(tt->mainwin->dpy, tt->window);
 159
 160         XftTextExtents8(tt->mainwin->dpy, tt->font, text, len, &tt->extents);
 161
 162         tt->width = tt->extents.width + 8;
 163         tt->height = tt->font_height + 5 + (tt->shadow.pixel ? 2 : 0);
 164         XResizeWindow(tt->mainwin->dpy, tt->window, tt->width, tt->height);
 165         tooltip_move(tt, x, y);
 166
 167         if(tt->text)
 168                 free(tt->text);
 169
 170         tt->text = (FcChar8 *)malloc(len);
 171         memcpy(tt->text, text, len);
 172
 173         tt->text_len = len;
 174
 175         XMapWindow(tt->mainwin->dpy, tt->window);
 176         XRaiseWindow(tt->mainwin->dpy, tt->window);
 177 }
 178
 179 void
 180 tooltip_move(Tooltip *tt, int x, int y)
 181 {
 182         if(x + tt->extents.width + 9 > tt->mainwin->x + tt->mainwin->width)
 183                 x = tt->mainwin->x + tt->mainwin->width - tt->extents.width - 9;
 184         x = MAX(0, x);
 185
 186         if(y + tt->extents.height + 8 > tt->mainwin->y + tt->mainwin->height)
 187                 y = tt->mainwin->height + tt->mainwin->y - tt->extents.height - 8;
 188         y = MAX(0, y);
 189
 190         XMoveWindow(tt->mainwin->dpy, tt->window, x, y);
 191 }
 192
 193 void
 194 tooltip_unmap(Tooltip *tt)
 195 {
 196         XUnmapWindow(tt->mainwin->dpy, tt->window);
 197         if(tt->text)
 198                 free(tt->text);
 199         tt->text = 0;
 200         tt->text_len = 0;
 201 }
 202
 203 void
 204 tooltip_handle(Tooltip *tt, XEvent *ev)
 205 {
 206         if(! tt->text)
 207                 return;
 208
 209         if(ev->type == Expose && ev->xexpose.count == 0)
 210         {
 211                 XftDrawRect(tt->draw, &tt->border, 0, 0, tt->width, 1);
 212                 XftDrawRect(tt->draw, &tt->border, 0, 1, 1, tt->height - 2);
 213                 XftDrawRect(tt->draw, &tt->border, 0, tt->height - 1, tt->width, 1);
 214                 XftDrawRect(tt->draw, &tt->border, tt->width - 1, 1, 1, tt->height - 2);
 215                 XftDrawRect(tt->draw, &tt->background, 1, 1, tt->width - 2, tt->height - 2);
 216                 if(tt->shadow.pixel)
 217                         XftDrawString8(tt->draw, &tt->shadow, tt->font, 6, 3 + tt->extents.y + (tt->font_height - tt->extents.y) / 2, tt->text, tt->text_len);
 218                 XftDrawString8(tt->draw, &tt->color, tt->font, 4, 1 + tt->extents.y + (tt->font_height - tt->extents.y) / 2, tt->text, tt->text_len);
 219         }
 220 }