de/brush.c

   1 /*
   2  * ion/de/brush.c
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2007.
   5  *
   6  * Ion is free software; you can redistribute it and/or modify it under
   7  * the terms of the GNU Lesser General Public License as published by
   8  * the Free Software Foundation; either version 2.1 of the License, or
   9  * (at your option) any later version.
  10  */
  11
  12 #include <string.h>
  13
  14 #include <libtu/objp.h>
  15 #include <libextl/extl.h>
  16
  17 #include <ioncore/common.h>
  18 #include <ioncore/rootwin.h>
  19 #include <ioncore/extlconv.h>
  20 #include <ioncore/ioncore.h>
  21
  22 #include "brush.h"
  23 #include "style.h"
  24 #include "font.h"
  25 #include "colour.h"
  26 #include "private.h"
  27
  28
  29 /*{{{ Brush creation and releasing */
  30
  31
  32 static GrStyleSpec tabframe_spec=GR_STYLESPEC_INIT;
  33 static GrStyleSpec tabinfo_spec=GR_STYLESPEC_INIT;
  34 static GrStyleSpec tabmenuentry_spec=GR_STYLESPEC_INIT;
  35
  36
  37 bool debrush_init(DEBrush *brush, Window win,
  38                   const GrStyleSpec *spec, DEStyle *style)
  39 {
  40     GrStyleSpec tmp;
  41
  42     brush->d=style;
  43     brush->extras_fn=NULL;
  44     brush->indicator_w=0;
  45     brush->win=win;
  46     brush->clip_set=FALSE;
  47
  48     gr_stylespec_init(&brush->current_attr);
  49
  50     style->usecount++;
  51
  52     if(!grbrush_init(&(brush->grbrush))){
  53         style->usecount--;
  54         return FALSE;
  55     }
  56
  57     ENSURE_INITSPEC(tabframe_spec, "tab-frame");
  58     ENSURE_INITSPEC(tabinfo_spec, "tab-info");
  59     ENSURE_INITSPEC(tabmenuentry_spec, "tab-menuentry");
  60
  61     if(MATCHES(tabframe_spec, spec) || MATCHES(tabinfo_spec, spec)){
  62         brush->extras_fn=debrush_tab_extras;
  63         if(!style->tabbrush_data_ok)
  64             destyle_create_tab_gcs(style);
  65     }else if(MATCHES(tabmenuentry_spec, spec)){
  66         brush->extras_fn=debrush_menuentry_extras;
  67         brush->indicator_w=grbrush_get_text_width((GrBrush*)brush,
  68                                                   DE_SUB_IND,
  69                                                   DE_SUB_IND_LEN);
  70     }
  71
  72     return TRUE;
  73 }
  74
  75
  76 DEBrush *create_debrush(Window win, const GrStyleSpec *spec, DEStyle *style)
  77 {
  78     CREATEOBJ_IMPL(DEBrush, debrush, (p, win, spec, style));
  79 }
  80
  81
  82 static DEBrush *do_get_brush(Window win, WRootWin *rootwin,
  83                              const char *stylename, bool slave)
  84 {
  85     DEStyle *style;
  86     DEBrush *brush;
  87     GrStyleSpec spec;
  88
  89     if(!gr_stylespec_load(&spec, stylename))
  90         return NULL;
  91
  92     style=de_get_style(rootwin, &spec);
  93
  94     if(style==NULL){
  95         gr_stylespec_unalloc(&spec);
  96         return NULL;
  97     }
  98
  99     brush=create_debrush(win, &spec, style);
 100
 101     gr_stylespec_unalloc(&spec);
 102
 103     /* Set background colour */
 104     if(brush!=NULL && !slave){
 105         grbrush_enable_transparency(&(brush->grbrush),
 106                                     GR_TRANSPARENCY_DEFAULT);
 107     }
 108
 109     return brush;
 110 }
 111
 112
 113 DEBrush *de_get_brush(Window win, WRootWin *rootwin, const char *stylename)
 114 {
 115     return do_get_brush(win, rootwin, stylename, FALSE);
 116 }
 117
 118
 119 DEBrush *debrush_get_slave(DEBrush *master, WRootWin *rootwin,
 120                            const char *stylename)
 121 {
 122     return do_get_brush(master->win, rootwin, stylename, TRUE);
 123 }
 124
 125
 126 void debrush_deinit(DEBrush *brush)
 127 {
 128     destyle_unref(brush->d);
 129     brush->d=NULL;
 130     gr_stylespec_unalloc(&brush->current_attr);
 131     grbrush_deinit(&(brush->grbrush));
 132 }
 133
 134
 135 void debrush_release(DEBrush *brush)
 136 {
 137     destroy_obj((Obj*)brush);
 138 }
 139
 140
 141 /*}}}*/
 142
 143
 144 /*{{{ Attributes */
 145
 146
 147 void debrush_init_attr(DEBrush *brush, const GrStyleSpec *spec)
 148 {
 149     gr_stylespec_unalloc(&brush->current_attr);
 150
 151     if(spec!=NULL)
 152         gr_stylespec_append(&brush->current_attr, spec);
 153 }
 154
 155
 156 void debrush_set_attr(DEBrush *brush, GrAttr attr)
 157 {
 158     gr_stylespec_set(&brush->current_attr, attr);
 159 }
 160
 161
 162 void debrush_unset_attr(DEBrush *brush, GrAttr attr)
 163 {
 164     gr_stylespec_unset(&brush->current_attr, attr);
 165 }
 166
 167
 168 GrStyleSpec *debrush_get_current_attr(DEBrush *brush)
 169 {
 170     return &brush->current_attr;
 171 }
 172
 173
 174 /*}}}*/
 175
 176
 177
 178 /*{{{ Border widths and extra information */
 179
 180
 181 void debrush_get_border_widths(DEBrush *brush, GrBorderWidths *bdw)
 182 {
 183     DEStyle *style=brush->d;
 184     DEBorder *bd=&(style->border);
 185     uint tmp=0;
 186     uint tbf=1, lrf=1;
 187     uint pad=bd->pad;
 188
 189     switch(bd->sides){
 190     case DEBORDER_TB:
 191         lrf=0;
 192         break;
 193     case DEBORDER_LR:
 194         tbf=0;
 195         break;
 196     }
 197
 198     switch(bd->style){
 199     case DEBORDER_RIDGE:
 200     case DEBORDER_GROOVE:
 201         tmp=bd->sh+bd->hl;
 202         bdw->top=tbf*tmp+pad; bdw->bottom=tbf*tmp+pad;
 203         bdw->left=lrf*tmp+pad; bdw->right=lrf*tmp+pad;
 204         break;
 205     case DEBORDER_INLAID:
 206         tmp=bd->sh; bdw->top=tbf*tmp+pad; bdw->left=lrf*tmp+pad;
 207         tmp=bd->hl; bdw->bottom=tbf*tmp+pad; bdw->right=lrf*tmp+pad;
 208         break;
 209     case DEBORDER_ELEVATED:
 210     default:
 211         tmp=bd->hl; bdw->top=tbf*tmp+pad; bdw->left=lrf*tmp+pad;
 212         tmp=bd->sh; bdw->bottom=tbf*tmp+pad; bdw->right=lrf*tmp+pad;
 213         break;
 214     }
 215
 216     bdw->right+=brush->indicator_w;
 217
 218     bdw->tb_ileft=bdw->left;
 219     bdw->tb_iright=bdw->right;
 220     bdw->spacing=style->spacing;
 221 }
 222
 223
 224 bool debrush_get_extra(DEBrush *brush, const char *key, char type, void *data)
 225 {
 226     DEStyle *style=brush->d;
 227     while(style!=NULL){
 228         if(extl_table_get(style->data_table, 's', type, key, data))
 229             return TRUE;
 230         style=style->based_on;
 231     }
 232     return FALSE;
 233 }
 234
 235
 236
 237 /*}}}*/
 238
 239
 240 /*{{{ Class implementation */
 241
 242
 243 static DynFunTab debrush_dynfuntab[]={
 244     {grbrush_release, debrush_release},
 245     {grbrush_draw_border, debrush_draw_border},
 246     {grbrush_draw_borderline, debrush_draw_borderline},
 247     {grbrush_get_border_widths, debrush_get_border_widths},
 248     {grbrush_draw_string, debrush_draw_string},
 249     {debrush_do_draw_string, debrush_do_draw_string_default},
 250     {grbrush_get_font_extents, debrush_get_font_extents},
 251     {(DynFun*)grbrush_get_text_width, (DynFun*)debrush_get_text_width},
 252     {grbrush_draw_textbox, debrush_draw_textbox},
 253     {grbrush_draw_textboxes, debrush_draw_textboxes},
 254     {grbrush_set_window_shape, debrush_set_window_shape},
 255     {grbrush_enable_transparency, debrush_enable_transparency},
 256     {grbrush_clear_area, debrush_clear_area},
 257     {grbrush_fill_area, debrush_fill_area},
 258     {(DynFun*)grbrush_get_extra, (DynFun*)debrush_get_extra},
 259     {(DynFun*)grbrush_get_slave, (DynFun*)debrush_get_slave},
 260     {grbrush_begin, debrush_begin},
 261     {grbrush_end, debrush_end},
 262     {grbrush_init_attr, debrush_init_attr},
 263     {grbrush_set_attr, debrush_set_attr},
 264     {grbrush_unset_attr, debrush_unset_attr},
 265     END_DYNFUNTAB
 266 };
 267
 268
 269 IMPLCLASS(DEBrush, GrBrush, debrush_deinit, debrush_dynfuntab);
 270
 271
 272 /*}}}*/
 273
 274
 275