de/brush.c

   1 /*
   2  * ion/de/brush.c
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2005.
   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 "misc.h"
  27
  28
  29 /*{{{ Brush creation and releasing */
  30
  31
  32 bool debrush_init(DEBrush *brush, const char *stylename, DEStyle *style)
  33 {
  34     brush->d=style;
  35     brush->extras_fn=NULL;
  36     brush->indicator_w=0;
  37
  38     style->usecount++;
  39
  40     if(!grbrush_init(&(brush->grbrush))){
  41         style->usecount--;
  42         return FALSE;
  43     }
  44
  45     if(MATCHES("tab-frame", stylename)){
  46         brush->extras_fn=debrush_tab_extras;
  47         if(!style->tabbrush_data_ok)
  48             destyle_create_tab_gcs(style);
  49     }else if(MATCHES("tab-menuentry", stylename)){
  50         brush->extras_fn=debrush_menuentry_extras;
  51         brush->indicator_w=grbrush_get_text_width((GrBrush*)brush,
  52                                                   DE_SUB_IND,
  53                                                   DE_SUB_IND_LEN);
  54     }
  55
  56     return TRUE;
  57 }
  58
  59
  60 DEBrush *create_debrush(const char *stylename, DEStyle *style)
  61 {
  62     CREATEOBJ_IMPL(DEBrush, debrush, (p, stylename, style));
  63 }
  64
  65
  66 static DEBrush *do_get_brush(WRootWin *rootwin, Window win,
  67                              const char *stylename, bool slave)
  68 {
  69     DEStyle *style=de_get_style(rootwin, stylename);
  70     DEBrush *brush;
  71
  72     if(style==NULL)
  73         return NULL;
  74
  75     brush=create_debrush(stylename, style);
  76
  77     /* Set background colour */
  78     if(brush!=NULL && !slave){
  79         grbrush_enable_transparency(&(brush->grbrush), win,
  80                                     GR_TRANSPARENCY_DEFAULT);
  81     }
  82
  83     return brush;
  84 }
  85
  86
  87 DEBrush *de_get_brush(WRootWin *rootwin, Window win, const char *stylename)
  88 {
  89     return do_get_brush(rootwin, win, stylename, FALSE);
  90 }
  91
  92
  93 DEBrush *debrush_get_slave(DEBrush *master, WRootWin *rootwin,
  94                            Window win, const char *stylename)
  95 {
  96     return do_get_brush(rootwin, win, stylename, TRUE);
  97 }
  98
  99
 100 void debrush_deinit(DEBrush *brush)
 101 {
 102     destyle_unref(brush->d);
 103     brush->d=NULL;
 104     grbrush_deinit(&(brush->grbrush));
 105 }
 106
 107
 108 void debrush_release(DEBrush *brush, Window win)
 109 {
 110     destroy_obj((Obj*)brush);
 111 }
 112
 113
 114 /*}}}*/
 115
 116
 117 /*{{{ Border widths and extra information */
 118
 119
 120 void debrush_get_border_widths(DEBrush *brush, GrBorderWidths *bdw)
 121 {
 122     DEStyle *style=brush->d;
 123     DEBorder *bd=&(style->border);
 124     uint tmp;
 125
 126     switch(bd->style){
 127     case DEBORDER_RIDGE:
 128     case DEBORDER_GROOVE:
 129         tmp=bd->sh+bd->hl+bd->pad;
 130         bdw->top=tmp; bdw->bottom=tmp; bdw->left=tmp; bdw->right=tmp;
 131         break;
 132     case DEBORDER_INLAID:
 133         tmp=bd->sh+bd->pad; bdw->top=tmp; bdw->left=tmp;
 134         tmp=bd->hl+bd->pad; bdw->bottom=tmp; bdw->right=tmp;
 135         break;
 136     case DEBORDER_ELEVATED:
 137     default:
 138         tmp=bd->hl+bd->pad; bdw->top=tmp; bdw->left=tmp;
 139         tmp=bd->sh+bd->pad; bdw->bottom=tmp; bdw->right=tmp;
 140         break;
 141     }
 142
 143     bdw->tb_ileft=bdw->left;
 144     bdw->tb_iright=bdw->right;
 145     bdw->spacing=style->spacing;
 146
 147     bdw->right+=brush->indicator_w;
 148     bdw->tb_iright+=brush->indicator_w;
 149 }
 150
 151
 152 bool debrush_get_extra(DEBrush *brush, const char *key, char type, void *data)
 153 {
 154     DEStyle *style=brush->d;
 155     while(style!=NULL){
 156         if(extl_table_get(style->data_table, 's', type, key, data))
 157             return TRUE;
 158         style=style->based_on;
 159     }
 160     return FALSE;
 161 }
 162
 163
 164
 165 /*}}}*/
 166
 167
 168 /*{{{ Class implementation */
 169
 170
 171 static DynFunTab debrush_dynfuntab[]={
 172     {grbrush_release, debrush_release},
 173     {grbrush_draw_border, debrush_draw_border},
 174     {grbrush_draw_borderline, debrush_draw_borderline},
 175     {grbrush_get_border_widths, debrush_get_border_widths},
 176     {grbrush_draw_string, debrush_draw_string},
 177     {debrush_do_draw_string, debrush_do_draw_string_default},
 178     {grbrush_get_font_extents, debrush_get_font_extents},
 179     {(DynFun*)grbrush_get_text_width, (DynFun*)debrush_get_text_width},
 180     {grbrush_draw_textbox, debrush_draw_textbox},
 181     {grbrush_draw_textboxes, debrush_draw_textboxes},
 182     {grbrush_set_clipping_rectangle, debrush_set_clipping_rectangle},
 183     {grbrush_clear_clipping_rectangle, debrush_clear_clipping_rectangle},
 184     {grbrush_set_window_shape, debrush_set_window_shape},
 185     {grbrush_enable_transparency, debrush_enable_transparency},
 186     {grbrush_clear_area, debrush_clear_area},
 187     {grbrush_fill_area, debrush_fill_area},
 188     {(DynFun*)grbrush_get_extra, (DynFun*)debrush_get_extra},
 189     {(DynFun*)grbrush_get_slave, (DynFun*)debrush_get_slave},
 190     END_DYNFUNTAB
 191 };
 192
 193
 194 IMPLCLASS(DEBrush, GrBrush, debrush_deinit, debrush_dynfuntab);
 195
 196
 197 /*}}}*/
 198
 199
 200