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Copy pathDialogTemplate.cpp
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236 lines (153 loc) · 5.91 KB
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// DialogTemplate - taken from here:
// http://www.flipcode.com/archives/Dialog_Template.shtml
// http://www.flipcode.com/archives/An_assert_Replacement.shtml
#include "DialogTemplate.h"
DialogTemplate::DialogTemplate(LPCSTR caption, DWORD style, DWORD exStyle, int x, int y, int w, int h,
LPCSTR font, WORD fontSize)
{
usedBufferLength = sizeof(DLGTEMPLATE );
totalBufferLength = usedBufferLength;
dialogTemplate = (DLGTEMPLATE*)malloc(totalBufferLength);
dialogTemplate->style = style;
if (font != NULL)
{
dialogTemplate->style |= DS_SETFONT;
}
dialogTemplate->x = x;
dialogTemplate->y = y;
dialogTemplate->cx = w;
dialogTemplate->cy = h;
dialogTemplate->cdit = 0;
dialogTemplate->dwExtendedStyle = exStyle;
// The dialog box doesn't have a menu or a special class
AppendData("\0", 2);
AppendData("\0", 2);
// Add the dialog's caption to the template
AppendString(caption);
if (font != NULL)
{
AppendData(&fontSize, sizeof(WORD));
AppendString(font);
}
}
void DialogTemplate::AddComponent(LPCSTR type, LPCSTR caption, DWORD style, DWORD exStyle,
int x, int y, int w, int h, WORD id)
{
DLGITEMTEMPLATE item;
item.style = style;
item.x = x;
item.y = y;
item.cx = w;
item.cy = h;
item.id = id;
item.dwExtendedStyle = exStyle;
AppendData(&item, sizeof(DLGITEMTEMPLATE));
AppendString(type);
AppendString(caption);
WORD creationDataLength = 0;
AppendData(&creationDataLength, sizeof(WORD));
// Increment the component count
dialogTemplate->cdit++;
}
void DialogTemplate::AddButton(LPCSTR caption, DWORD style, DWORD exStyle, int x, int y,
int w, int h, WORD id)
{
AddStandardComponent(0x0080, caption, style, exStyle, x, y, w, h, id);
WORD creationDataLength = 0;
AppendData(&creationDataLength, sizeof(WORD));
}
void DialogTemplate::AddEditBox(LPCSTR caption, DWORD style, DWORD exStyle, int x, int y,
int w, int h, WORD id)
{
AddStandardComponent(0x0081, caption, style, exStyle, x, y, w, h, id);
WORD creationDataLength = 0;
AppendData(&creationDataLength, sizeof(WORD));
}
void DialogTemplate::AddStatic(LPCSTR caption, DWORD style, DWORD exStyle, int x, int y,
int w, int h, WORD id)
{
AddStandardComponent(0x0082, caption, style, exStyle, x, y, w, h, id);
WORD creationDataLength = 0;
AppendData(&creationDataLength, sizeof(WORD));
}
void DialogTemplate::AddListBox(LPCSTR caption, DWORD style, DWORD exStyle, int x, int y,
int w, int h, WORD id)
{
AddStandardComponent(0x0083, caption, style, exStyle, x, y, w, h, id);
WORD creationDataLength = 0;
AppendData(&creationDataLength, sizeof(WORD));
}
void DialogTemplate::AddScrollBar(LPCSTR caption, DWORD style, DWORD exStyle, int x, int y,
int w, int h, WORD id)
{
AddStandardComponent(0x0084, caption, style, exStyle, x, y, w, h, id);
WORD creationDataLength = 0;
AppendData(&creationDataLength, sizeof(WORD));
}
void DialogTemplate::AddComboBox(LPCSTR caption, DWORD style, DWORD exStyle, int x, int y,
int w, int h, WORD id)
{
AddStandardComponent(0x0085, caption, style, exStyle, x, y, w, h, id);
WORD creationDataLength = 0;
AppendData(&creationDataLength, sizeof(WORD));
}
/**
* Returns a pointer to the Win32 dialog template which the object
* represents. This pointer may become invalid if additional
* components are added to the template.
*/
void DialogTemplate::AddStandardComponent(WORD type, LPCSTR caption, DWORD style,
DWORD exStyle, int x, int y, int w, int h, WORD id)
{
DLGITEMTEMPLATE item;
// DWORD algin the beginning of the component data
AlignData(sizeof(DWORD));
item.style = style;
item.x = x;
item.y = y;
item.cx = w;
item.cy = h;
item.id = id;
item.dwExtendedStyle = exStyle;
AppendData(&item, sizeof(DLGITEMTEMPLATE));
WORD preType = 0xFFFF;
AppendData(&preType, sizeof(WORD));
AppendData(&type, sizeof(WORD));
AppendString(caption);
// Increment the component count
dialogTemplate->cdit++;
}
void DialogTemplate::AlignData(int size)
{
int paddingSize = usedBufferLength % size;
if (paddingSize != 0)
{
EnsureSpace(paddingSize);
usedBufferLength += paddingSize;
}
}
void DialogTemplate::AppendString(LPCSTR string)
{
int length = MultiByteToWideChar(CP_ACP, 0, string, -1, NULL, 0);
WCHAR* wideString = (WCHAR*)malloc(sizeof(WCHAR) * length);
MultiByteToWideChar(CP_ACP, 0, string, -1, wideString, length);
AppendData(wideString, length * sizeof(WCHAR));
free(wideString);
}
void DialogTemplate::AppendData(void* data, int dataLength)
{
EnsureSpace(dataLength);
memcpy((char*)dialogTemplate + usedBufferLength, data, dataLength);
usedBufferLength += dataLength;
}
void DialogTemplate::EnsureSpace(int length)
{
if (length + usedBufferLength > totalBufferLength)
{
totalBufferLength += length * 2;
void* newBuffer = malloc(totalBufferLength);
memcpy(newBuffer, dialogTemplate, usedBufferLength);
free(dialogTemplate);
dialogTemplate = (DLGTEMPLATE*)newBuffer;
}
}