summaryrefslogtreecommitdiff
path: root/iup/src/iup_toggle.c
blob: 9a09f52f1eb26f47ece736e020c4d30ac8a29b09 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
/** \file
 * \brief Toggle Control.
 *
 * See Copyright Notice in "iup.h"
 */

#include <stdio.h>
#include <stdlib.h>

#include "iup.h"
#include "iupcbs.h"

#include "iup_object.h"
#include "iup_attrib.h"
#include "iup_str.h"
#include "iup_drv.h"
#include "iup_drvfont.h"
#include "iup_stdcontrols.h"
#include "iup_layout.h"
#include "iup_toggle.h"
#include "iup_image.h"


static char* iToggleGetRadioAttrib(Ihandle* ih)
{
  if (ih->data->radio)
    return "YES";
  else
    return "NO";
}

char* iupToggleGetPaddingAttrib(Ihandle* ih)
{
  char *str = iupStrGetMemory(50);
  sprintf(str, "%dx%d", ih->data->horiz_padding, ih->data->vert_padding);
  return str;
}

static int iToggleCreateMethod(Ihandle* ih, void** params)
{
  if (params)
  {
    if (params[0]) iupAttribStoreStr(ih, "TITLE", (char*)(params[0]));
    if (params[1]) iupAttribStoreStr(ih, "ACTION", (char*)(params[1]));
  }
  ih->data = iupALLOCCTRLDATA();
  return IUP_NOERROR;
}

static void iToggleComputeNaturalSizeMethod(Ihandle* ih, int *w, int *h, int *expand)
{
  int natural_w = 0, 
      natural_h = 0,
      type = ih->data->type;
  (void)expand; /* unset if not a container */

  if (!ih->handle)
  {
    /* if not mapped must initialize the internal values */
    char* value = iupAttribGet(ih, "IMAGE");
    if (value)
      type = IUP_TOGGLE_IMAGE;
    else
      type = IUP_TOGGLE_TEXT;
  }

  if (type == IUP_TOGGLE_IMAGE)
  {
    iupImageGetInfo(iupAttribGet(ih, "IMAGE"), &natural_w, &natural_h, NULL);

    /* even when IMPRESS is set, must compute the borders space */
    iupdrvButtonAddBorders(&natural_w, &natural_h);

    natural_w += 2*ih->data->horiz_padding;
    natural_h += 2*ih->data->vert_padding;
  }
  else /* IUP_TOGGLE_TEXT */
  {
    /* must use IupGetAttribute to check from the native implementation */
    char* title = IupGetAttribute(ih, "TITLE");
    char* str = iupStrProcessMnemonic(title, NULL, 0);   /* remove & */
    iupdrvFontGetMultiLineStringSize(ih, str, &natural_w, &natural_h);
    if (str && str!=title) free(str);

    iupdrvToggleAddCheckBox(&natural_w, &natural_h);
  }

  *w = natural_w;
  *h = natural_h;
}


/******************************************************************************/


Ihandle* IupToggle(const char* title, const char* action)
{
  void *params[3];
  params[0] = (void*)title;
  params[1] = (void*)action;
  params[2] = NULL;
  return IupCreatev("toggle", params);
}

Iclass* iupToggleGetClass(void)
{
  Iclass* ic = iupClassNew(NULL);

  ic->name = "toggle";
  ic->format = "SA"; /* one optional string and one optional callback name */
  ic->nativetype = IUP_TYPECONTROL;
  ic->childtype = IUP_CHILDNONE;
  ic->is_interactive = 1;

  /* Class functions */
  ic->Create = iToggleCreateMethod;
  ic->ComputeNaturalSize = iToggleComputeNaturalSizeMethod;
  ic->LayoutUpdate = iupdrvBaseLayoutUpdateMethod;
  ic->UnMap = iupdrvBaseUnMapMethod;

  /* Callbacks */
  iupClassRegisterCallback(ic, "ACTION", "i");
  iupClassRegisterCallback(ic, "VALUECHANGED_CB", "");

  /* Common Callbacks */
  iupBaseRegisterCommonCallbacks(ic);

  /* Common */
  iupBaseRegisterCommonAttrib(ic);

  /* Visual */
  iupBaseRegisterVisualAttrib(ic);

  iupClassRegisterAttribute(ic, "RADIO", iToggleGetRadioAttrib, NULL, NULL, NULL, IUPAF_READONLY|IUPAF_NO_INHERIT);
  iupClassRegisterAttribute(ic, "3STATE", NULL, NULL, NULL, NULL, IUPAF_NO_INHERIT);

  iupdrvToggleInitClass(ic);

  return ic;
}