de/brush.c

   1 /*
   2  * ion/de/brush.c
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2006.
   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 bool debrush_init(DEBrush *brush, Window win,
  33                   const char *stylename, DEStyle *style)
  34 {
  35     brush->d=style;
  36     brush->extras_fn=NULL;
  37     brush->indicator_w=0;
  38     brush->win=win;
  39     brush->clip_set=FALSE;
  40
  41     style->usecount++;
  42
  43     if(!grbrush_init(&(brush->grbrush))){
  44         style->usecount--;
  45         return FALSE;
  46     }
  47
  48     if(MATCHES("tab-frame", stylename) || MATCHES("tab-info", stylename)){
  49         brush->extras_fn=debrush_tab_extras;
  50         if(!style->tabbrush_data_ok)
  51             destyle_create_tab_gcs(style);
  52     }else if(MATCHES("tab-menuentry", stylename)){
  53         brush->extras_fn=debrush_menuentry_extras;
  54         brush->indicator_w=grbrush_get_text_width((GrBrush*)brush,
  55                                                   DE_SUB_IND,
  56                                                   DE_SUB_IND_LEN);
  57     }
  58
  59     return TRUE;
  60 }
  61
  62
  63 DEBrush *create_debrush(Window win, const char *stylename, DEStyle *style)
  64 {
  65     CREATEOBJ_IMPL(DEBrush, debrush, (p, win, stylename, style));
  66 }
  67
  68
  69 static DEBrush *do_get_brush(Window win, WRootWin *rootwin,
  70                              const char *stylename, bool slave)
  71 {
  72     DEStyle *style=de_get_style(rootwin, stylename);
  73     DEBrush *brush;
  74
  75     if(style==NULL)
  76         return NULL;
  77
  78     brush=create_debrush(win, stylename, style);
  79
  80     /* Set background colour */
  81     if(brush!=NULL && !slave){
  82         grbrush_enable_transparency(&(brush->grbrush),
  83                                     GR_TRANSPARENCY_DEFAULT);
  84     }
  85
  86     return brush;
  87 }
  88
  89
  90 DEBrush *de_get_brush(Window win, WRootWin *rootwin, const char *stylename)
  91 {
  92     return do_get_brush(win, rootwin, stylename, FALSE);
  93 }
  94
  95
  96 DEBrush *debrush_get_slave(DEBrush *master, WRootWin *rootwin,
  97                            const char *stylename)
  98 {
  99     return do_get_brush(master->win, rootwin, stylename, TRUE);
 100 }
 101
 102
 103 void debrush_deinit(DEBrush *brush)
 104 {
 105     destyle_unref(brush->d);
 106     brush->d=NULL;
 107     grbrush_deinit(&(brush->grbrush));
 108 }
 109
 110
 111 void debrush_release(DEBrush *brush)
 112 {
 113     destroy_obj((Obj*)brush);
 114 }
 115
 116
 117 /*}}}*/
 118
 119
 120 /*{{{ Border widths and extra information */
 121
 122
 123 void debrush_get_border_widths(DEBrush *brush, GrBorderWidths *bdw)
 124 {
 125     DEStyle *style=brush->d;
 126     DEBorder *bd=&(style->border);
 127     uint tmp;
 128
 129     switch(bd->style){
 130     case DEBORDER_RIDGE:
 131     case DEBORDER_GROOVE:
 132         tmp=bd->sh+bd->hl+bd->pad;
 133         bdw->top=tmp; bdw->bottom=tmp; bdw->left=tmp; bdw->right=tmp;
 134         break;
 135     case DEBORDER_INLAID:
 136         tmp=bd->sh+bd->pad; bdw->top=tmp; bdw->left=tmp;
 137         tmp=bd->hl+bd->pad; bdw->bottom=tmp; bdw->right=tmp;
 138         break;
 139     case DEBORDER_ELEVATED:
 140     default:
 141         tmp=bd->hl+bd->pad; bdw->top=tmp; bdw->left=tmp;
 142         tmp=bd->sh+bd->pad; bdw->bottom=tmp; bdw->right=tmp;
 143         break;
 144     }
 145
 146     bdw->tb_ileft=bdw->left;
 147     bdw->tb_iright=bdw->right;
 148     bdw->spacing=style->spacing;
 149
 150     bdw->right+=brush->indicator_w;
 151     bdw->tb_iright+=brush->indicator_w;
 152 }
 153
 154
 155 bool debrush_get_extra(DEBrush *brush, const char *key, char type, void *data)
 156 {
 157     DEStyle *style=brush->d;
 158     while(style!=NULL){
 159         if(extl_table_get(style->data_table, 's', type, key, data))
 160             return TRUE;
 161         style=style->based_on;
 162     }
 163     return FALSE;
 164 }
 165
 166
 167
 168 /*}}}*/
 169
 170
 171 /*{{{ Class implementation */
 172
 173
 174 static DynFunTab debrush_dynfuntab[]={
 175     {grbrush_release, debrush_release},
 176     {grbrush_draw_border, debrush_draw_border},
 177     {grbrush_draw_borderline, debrush_draw_borderline},
 178     {grbrush_get_border_widths, debrush_get_border_widths},
 179     {grbrush_draw_string, debrush_draw_string},
 180     {debrush_do_draw_string, debrush_do_draw_string_default},
 181     {grbrush_get_font_extents, debrush_get_font_extents},
 182     {(DynFun*)grbrush_get_text_width, (DynFun*)debrush_get_text_width},
 183     {grbrush_draw_textbox, debrush_draw_textbox},
 184     {grbrush_draw_textboxes, debrush_draw_textboxes},
 185     {grbrush_set_window_shape, debrush_set_window_shape},
 186     {grbrush_enable_transparency, debrush_enable_transparency},
 187     {grbrush_clear_area, debrush_clear_area},
 188     {grbrush_fill_area, debrush_fill_area},
 189     {(DynFun*)grbrush_get_extra, (DynFun*)debrush_get_extra},
 190     {(DynFun*)grbrush_get_slave, (DynFun*)debrush_get_slave},
 191     {grbrush_begin, debrush_begin},
 192     {grbrush_end, debrush_end},
 193     END_DYNFUNTAB
 194 };
 195
 196
 197 IMPLCLASS(DEBrush, GrBrush, debrush_deinit, debrush_dynfuntab);
 198
 199
 200 /*}}}*/
 201
 202
 203