de/brush.c

   1 /*
   2  * ion/de/brush.c
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2009.
   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
  31 #define ENSURE_INITSPEC(S, NM) \
  32     if((S).attrs==NULL) gr_stylespec_load(&(S), NM);
  33
  34
  35 static GrStyleSpec tabframe_spec=GR_STYLESPEC_INIT;
  36 static GrStyleSpec tabinfo_spec=GR_STYLESPEC_INIT;
  37 static GrStyleSpec tabmenuentry_spec=GR_STYLESPEC_INIT;
  38
  39
  40 bool debrush_init(DEBrush *brush, Window win,
  41                   const GrStyleSpec *spec, DEStyle *style)
  42 {
  43     brush->d=style;
  44     brush->extras_fn=NULL;
  45     brush->indicator_w=0;
  46     brush->win=win;
  47     brush->clip_set=FALSE;
  48
  49     gr_stylespec_init(&brush->current_attr);
  50
  51     style->usecount++;
  52
  53     if(!grbrush_init(&(brush->grbrush))){
  54         style->usecount--;
  55         return FALSE;
  56     }
  57
  58     ENSURE_INITSPEC(tabframe_spec, "tab-frame");
  59     ENSURE_INITSPEC(tabinfo_spec, "tab-info");
  60     ENSURE_INITSPEC(tabmenuentry_spec, "tab-menuentry");
  61
  62     if(MATCHES(tabframe_spec, spec) || MATCHES(tabinfo_spec, spec)){
  63         brush->extras_fn=debrush_tab_extras;
  64         if(!style->tabbrush_data_ok)
  65             destyle_create_tab_gcs(style);
  66     }else if(MATCHES(tabmenuentry_spec, spec)){
  67         brush->extras_fn=debrush_menuentry_extras;
  68         brush->indicator_w=grbrush_get_text_width((GrBrush*)brush,
  69                                                   DE_SUB_IND,
  70                                                   DE_SUB_IND_LEN);
  71     }
  72
  73     return TRUE;
  74 }
  75
  76
  77 DEBrush *create_debrush(Window win, const GrStyleSpec *spec, DEStyle *style)
  78 {
  79     CREATEOBJ_IMPL(DEBrush, debrush, (p, win, spec, style));
  80 }
  81
  82
  83 static DEBrush *do_get_brush(Window win, WRootWin *rootwin,
  84                              const char *stylename, bool slave)
  85 {
  86     DEStyle *style;
  87     DEBrush *brush;
  88     GrStyleSpec spec;
  89
  90     if(!gr_stylespec_load(&spec, stylename))
  91         return NULL;
  92
  93     style=de_get_style(rootwin, &spec);
  94
  95     if(style==NULL){
  96         gr_stylespec_unalloc(&spec);
  97         return NULL;
  98     }
  99
 100     brush=create_debrush(win, &spec, style);
 101
 102     gr_stylespec_unalloc(&spec);
 103
 104     /* Set background colour */
 105     if(brush!=NULL && !slave){
 106         grbrush_enable_transparency(&(brush->grbrush),
 107                                     GR_TRANSPARENCY_DEFAULT);
 108     }
 109
 110     return brush;
 111 }
 112
 113
 114 DEBrush *de_get_brush(Window win, WRootWin *rootwin, const char *stylename)
 115 {
 116     return do_get_brush(win, rootwin, stylename, FALSE);
 117 }
 118
 119
 120 DEBrush *debrush_get_slave(DEBrush *master, WRootWin *rootwin,
 121                            const char *stylename)
 122 {
 123     return do_get_brush(master->win, rootwin, stylename, TRUE);
 124 }
 125
 126
 127 void debrush_deinit(DEBrush *brush)
 128 {
 129     destyle_unref(brush->d);
 130     brush->d=NULL;
 131     gr_stylespec_unalloc(&brush->current_attr);
 132     grbrush_deinit(&(brush->grbrush));
 133 }
 134
 135
 136 void debrush_release(DEBrush *brush)
 137 {
 138     destroy_obj((Obj*)brush);
 139 }
 140
 141
 142 /*}}}*/
 143
 144
 145 /*{{{ Attributes */
 146
 147
 148 void debrush_init_attr(DEBrush *brush, const GrStyleSpec *spec)
 149 {
 150     gr_stylespec_unalloc(&brush->current_attr);
 151
 152     if(spec!=NULL)
 153         gr_stylespec_append(&brush->current_attr, spec);
 154 }
 155
 156
 157 void debrush_set_attr(DEBrush *brush, GrAttr attr)
 158 {
 159     gr_stylespec_set(&brush->current_attr, attr);
 160 }
 161
 162
 163 void debrush_unset_attr(DEBrush *brush, GrAttr attr)
 164 {
 165     gr_stylespec_unset(&brush->current_attr, attr);
 166 }
 167
 168
 169 GrStyleSpec *debrush_get_current_attr(DEBrush *brush)
 170 {
 171     return &brush->current_attr;
 172 }
 173
 174
 175 /*}}}*/
 176
 177
 178
 179 /*{{{ Border widths and extra information */
 180
 181
 182 void debrush_get_border_widths(DEBrush *brush, GrBorderWidths *bdw)
 183 {
 184     DEStyle *style=brush->d;
 185     DEBorder *bd=&(style->border);
 186     uint tmp=0;
 187     uint tbf=1, lrf=1;
 188     uint pad=bd->pad;
 189     uint spc=style->spacing;
 190
 191     switch(bd->sides){
 192     case DEBORDER_TB:
 193         lrf=0;
 194         break;
 195     case DEBORDER_LR:
 196         tbf=0;
 197         break;
 198     }
 199
 200     /* Ridge/groove styles use 'padding' for the spacing between the
 201      * 'highlight' and 'shadow' portions of the border, and 'spacing'
 202      * between the border and contents. Inlaid style also uses 'spacing'
 203      * between the contents and the border, and padding as its outer
 204      * component. Elevated style does not use spacing.
 205      */
 206     switch(bd->style){
 207     case DEBORDER_RIDGE:
 208     case DEBORDER_GROOVE:
 209         tmp=bd->sh+bd->hl+pad;
 210         bdw->top=tbf*tmp+spc; bdw->bottom=tbf*tmp+spc;
 211         bdw->left=lrf*tmp+spc; bdw->right=lrf*tmp+spc;
 212         break;
 213     case DEBORDER_INLAID:
 214         tmp=bd->sh+pad; bdw->top=tbf*tmp+spc; bdw->left=lrf*tmp+spc;
 215         tmp=bd->hl+pad; bdw->bottom=tbf*tmp+spc; bdw->right=lrf*tmp+spc;
 216         break;
 217     case DEBORDER_ELEVATED:
 218     default:
 219         tmp=bd->hl; bdw->top=tbf*tmp+pad; bdw->left=lrf*tmp+pad;
 220         tmp=bd->sh; bdw->bottom=tbf*tmp+pad; bdw->right=lrf*tmp+pad;
 221         break;
 222     }
 223
 224     bdw->right+=brush->indicator_w;
 225
 226     bdw->tb_ileft=bdw->left;
 227     bdw->tb_iright=bdw->right;
 228     bdw->spacing=style->spacing;
 229 }
 230
 231
 232 bool debrush_get_extra(DEBrush *brush, const char *key, char type, void *data)
 233 {
 234     DEStyle *style=brush->d;
 235     while(style!=NULL){
 236         if(extl_table_get(style->extras_table, 's', type, key, data))
 237             return TRUE;
 238         style=style->based_on;
 239     }
 240     return FALSE;
 241 }
 242
 243
 244
 245 /*}}}*/
 246
 247
 248 /*{{{ Class implementation */
 249
 250
 251 static DynFunTab debrush_dynfuntab[]={
 252     {grbrush_release, debrush_release},
 253     {grbrush_draw_border, debrush_draw_border},
 254     {grbrush_draw_borderline, debrush_draw_borderline},
 255     {grbrush_get_border_widths, debrush_get_border_widths},
 256     {grbrush_draw_string, debrush_draw_string},
 257     {debrush_do_draw_string, debrush_do_draw_string_default},
 258     {grbrush_get_font_extents, debrush_get_font_extents},
 259     {(DynFun*)grbrush_get_text_width, (DynFun*)debrush_get_text_width},
 260     {grbrush_draw_textbox, debrush_draw_textbox},
 261     {grbrush_draw_textboxes, debrush_draw_textboxes},
 262     {grbrush_set_window_shape, debrush_set_window_shape},
 263     {grbrush_enable_transparency, debrush_enable_transparency},
 264     {grbrush_clear_area, debrush_clear_area},
 265     {grbrush_fill_area, debrush_fill_area},
 266     {(DynFun*)grbrush_get_extra, (DynFun*)debrush_get_extra},
 267     {(DynFun*)grbrush_get_slave, (DynFun*)debrush_get_slave},
 268     {grbrush_begin, debrush_begin},
 269     {grbrush_end, debrush_end},
 270     {grbrush_init_attr, debrush_init_attr},
 271     {grbrush_set_attr, debrush_set_attr},
 272     {grbrush_unset_attr, debrush_unset_attr},
 273     END_DYNFUNTAB
 274 };
 275
 276
 277 IMPLCLASS(DEBrush, GrBrush, debrush_deinit, debrush_dynfuntab);
 278
 279
 280 /*}}}*/
 281
 282
 283