de/brush.c

   1 /*
   2  * ion/de/brush.c
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2008.
   5  *
   6  * See the included file LICENSE for details.
   7  */
   8
   9 #include <string.h>
  10
  11 #include <libtu/objp.h>
  12 #include <libextl/extl.h>
  13
  14 #include <ioncore/common.h>
  15 #include <ioncore/rootwin.h>
  16 #include <ioncore/extlconv.h>
  17 #include <ioncore/ioncore.h>
  18
  19 #include "brush.h"
  20 #include "style.h"
  21 #include "font.h"
  22 #include "colour.h"
  23 #include "private.h"
  24
  25
  26 /*{{{ Brush creation and releasing */
  27
  28
  29 #define MATCHES(S, A) (gr_stylespec_score(&(S), A)>0)
  30 #define MATCHES2(S, A1, A2) (gr_stylespec_score2(&(S), A1, A2)>0)
  31
  32 #define ENSURE_INITSPEC(S, NM) \
  33     if((S).attrs==NULL) gr_stylespec_load(&(S), NM);
  34
  35
  36 static GrStyleSpec tabframe_spec=GR_STYLESPEC_INIT;
  37 static GrStyleSpec tabinfo_spec=GR_STYLESPEC_INIT;
  38 static GrStyleSpec tabmenuentry_spec=GR_STYLESPEC_INIT;
  39
  40
  41 bool debrush_init(DEBrush *brush, Window win,
  42                   const GrStyleSpec *spec, DEStyle *style)
  43 {
  44     GrStyleSpec tmp;
  45
  46     brush->d=style;
  47     brush->extras_fn=NULL;
  48     brush->indicator_w=0;
  49     brush->win=win;
  50     brush->clip_set=FALSE;
  51
  52     gr_stylespec_init(&brush->current_attr);
  53
  54     style->usecount++;
  55
  56     if(!grbrush_init(&(brush->grbrush))){
  57         style->usecount--;
  58         return FALSE;
  59     }
  60
  61     ENSURE_INITSPEC(tabframe_spec, "tab-frame");
  62     ENSURE_INITSPEC(tabinfo_spec, "tab-info");
  63     ENSURE_INITSPEC(tabmenuentry_spec, "tab-menuentry");
  64
  65     if(MATCHES(tabframe_spec, spec) || MATCHES(tabinfo_spec, spec)){
  66         brush->extras_fn=debrush_tab_extras;
  67         if(!style->tabbrush_data_ok)
  68             destyle_create_tab_gcs(style);
  69     }else if(MATCHES(tabmenuentry_spec, spec)){
  70         brush->extras_fn=debrush_menuentry_extras;
  71         brush->indicator_w=grbrush_get_text_width((GrBrush*)brush,
  72                                                   DE_SUB_IND,
  73                                                   DE_SUB_IND_LEN);
  74     }
  75
  76     return TRUE;
  77 }
  78
  79
  80 DEBrush *create_debrush(Window win, const GrStyleSpec *spec, DEStyle *style)
  81 {
  82     CREATEOBJ_IMPL(DEBrush, debrush, (p, win, spec, style));
  83 }
  84
  85
  86 static DEBrush *do_get_brush(Window win, WRootWin *rootwin,
  87                              const char *stylename, bool slave)
  88 {
  89     DEStyle *style;
  90     DEBrush *brush;
  91     GrStyleSpec spec;
  92
  93     if(!gr_stylespec_load(&spec, stylename))
  94         return NULL;
  95
  96     style=de_get_style(rootwin, &spec);
  97
  98     if(style==NULL){
  99         gr_stylespec_unalloc(&spec);
 100         return NULL;
 101     }
 102
 103     brush=create_debrush(win, &spec, style);
 104
 105     gr_stylespec_unalloc(&spec);
 106
 107     /* Set background colour */
 108     if(brush!=NULL && !slave){
 109         grbrush_enable_transparency(&(brush->grbrush),
 110                                     GR_TRANSPARENCY_DEFAULT);
 111     }
 112
 113     return brush;
 114 }
 115
 116
 117 DEBrush *de_get_brush(Window win, WRootWin *rootwin, const char *stylename)
 118 {
 119     return do_get_brush(win, rootwin, stylename, FALSE);
 120 }
 121
 122
 123 DEBrush *debrush_get_slave(DEBrush *master, WRootWin *rootwin,
 124                            const char *stylename)
 125 {
 126     return do_get_brush(master->win, rootwin, stylename, TRUE);
 127 }
 128
 129
 130 void debrush_deinit(DEBrush *brush)
 131 {
 132     destyle_unref(brush->d);
 133     brush->d=NULL;
 134     gr_stylespec_unalloc(&brush->current_attr);
 135     grbrush_deinit(&(brush->grbrush));
 136 }
 137
 138
 139 void debrush_release(DEBrush *brush)
 140 {
 141     destroy_obj((Obj*)brush);
 142 }
 143
 144
 145 /*}}}*/
 146
 147
 148 /*{{{ Attributes */
 149
 150
 151 void debrush_init_attr(DEBrush *brush, const GrStyleSpec *spec)
 152 {
 153     gr_stylespec_unalloc(&brush->current_attr);
 154
 155     if(spec!=NULL)
 156         gr_stylespec_append(&brush->current_attr, spec);
 157 }
 158
 159
 160 void debrush_set_attr(DEBrush *brush, GrAttr attr)
 161 {
 162     gr_stylespec_set(&brush->current_attr, attr);
 163 }
 164
 165
 166 void debrush_unset_attr(DEBrush *brush, GrAttr attr)
 167 {
 168     gr_stylespec_unset(&brush->current_attr, attr);
 169 }
 170
 171
 172 GrStyleSpec *debrush_get_current_attr(DEBrush *brush)
 173 {
 174     return &brush->current_attr;
 175 }
 176
 177
 178 /*}}}*/
 179
 180
 181
 182 /*{{{ Border widths and extra information */
 183
 184
 185 void debrush_get_border_widths(DEBrush *brush, GrBorderWidths *bdw)
 186 {
 187     DEStyle *style=brush->d;
 188     DEBorder *bd=&(style->border);
 189     uint tmp=0;
 190     uint tbf=1, lrf=1;
 191     uint pad=bd->pad;
 192     uint spc=style->spacing;
 193
 194     switch(bd->sides){
 195     case DEBORDER_TB:
 196         lrf=0;
 197         break;
 198     case DEBORDER_LR:
 199         tbf=0;
 200         break;
 201     }
 202
 203     /* Ridge/groove styles use 'padding' for the spacing between the
 204      * 'highlight' and 'shadow' portions of the border, and 'spacing'
 205      * between the border and contents. Inlaid style also uses 'spacing'
 206      * between the contents and the border, and padding as its outer
 207      * component. Elevated style does not use spacing.
 208      */
 209     switch(bd->style){
 210     case DEBORDER_RIDGE:
 211     case DEBORDER_GROOVE:
 212         tmp=bd->sh+bd->hl+pad;
 213         bdw->top=tbf*tmp+spc; bdw->bottom=tbf*tmp+spc;
 214         bdw->left=lrf*tmp+spc; bdw->right=lrf*tmp+spc;
 215         break;
 216     case DEBORDER_INLAID:
 217         tmp=bd->sh+pad; bdw->top=tbf*tmp+spc; bdw->left=lrf*tmp+spc;
 218         tmp=bd->hl+pad; bdw->bottom=tbf*tmp+spc; bdw->right=lrf*tmp+spc;
 219         break;
 220     case DEBORDER_ELEVATED:
 221     default:
 222         tmp=bd->hl; bdw->top=tbf*tmp+pad; bdw->left=lrf*tmp+pad;
 223         tmp=bd->sh; bdw->bottom=tbf*tmp+pad; bdw->right=lrf*tmp+pad;
 224         break;
 225     }
 226
 227     bdw->right+=brush->indicator_w;
 228
 229     bdw->tb_ileft=bdw->left;
 230     bdw->tb_iright=bdw->right;
 231     bdw->spacing=style->spacing;
 232 }
 233
 234
 235 bool debrush_get_extra(DEBrush *brush, const char *key, char type, void *data)
 236 {
 237     DEStyle *style=brush->d;
 238     while(style!=NULL){
 239         if(extl_table_get(style->extras_table, 's', type, key, data))
 240             return TRUE;
 241         style=style->based_on;
 242     }
 243     return FALSE;
 244 }
 245
 246
 247
 248 /*}}}*/
 249
 250
 251 /*{{{ Class implementation */
 252
 253
 254 static DynFunTab debrush_dynfuntab[]={
 255     {grbrush_release, debrush_release},
 256     {grbrush_draw_border, debrush_draw_border},
 257     {grbrush_draw_borderline, debrush_draw_borderline},
 258     {grbrush_get_border_widths, debrush_get_border_widths},
 259     {grbrush_draw_string, debrush_draw_string},
 260     {debrush_do_draw_string, debrush_do_draw_string_default},
 261     {grbrush_get_font_extents, debrush_get_font_extents},
 262     {(DynFun*)grbrush_get_text_width, (DynFun*)debrush_get_text_width},
 263     {grbrush_draw_textbox, debrush_draw_textbox},
 264     {grbrush_draw_textboxes, debrush_draw_textboxes},
 265     {grbrush_set_window_shape, debrush_set_window_shape},
 266     {grbrush_enable_transparency, debrush_enable_transparency},
 267     {grbrush_clear_area, debrush_clear_area},
 268     {grbrush_fill_area, debrush_fill_area},
 269     {(DynFun*)grbrush_get_extra, (DynFun*)debrush_get_extra},
 270     {(DynFun*)grbrush_get_slave, (DynFun*)debrush_get_slave},
 271     {grbrush_begin, debrush_begin},
 272     {grbrush_end, debrush_end},
 273     {grbrush_init_attr, debrush_init_attr},
 274     {grbrush_set_attr, debrush_set_attr},
 275     {grbrush_unset_attr, debrush_unset_attr},
 276     END_DYNFUNTAB
 277 };
 278
 279
 280 IMPLCLASS(DEBrush, GrBrush, debrush_deinit, debrush_dynfuntab);
 281
 282
 283 /*}}}*/
 284
 285
 286