/**
* name: PaintThemeButton
* desc: Draws the none themed button
* param: ctl - BTNCTRL structure for the button
* hdcMem - device context to draw to
* rcClient - rectangle of the whole button
* return: nothing
**/
static void __fastcall PaintButton(BTNCTRL *ctl, HDC hdcMem, LPRECT rcClient)
{
RECT rcText = { 0, 0, 0, 0 };
TCHAR szText[MAX_PATH] = { 0 };
WORD ccText;
// Draw the flat button
if (ctl->dwStyle & MBS_FLAT) {
HBRUSH hbr = NULL;
if (ctl->stateId == PBS_PRESSED || ctl->stateId == PBS_HOT)
hbr = GetSysColorBrush(COLOR_3DLIGHT);
else {
HDC dc;
HWND hwndParent;
hwndParent = GetParent(ctl->hwnd);
if (dc = GetDC(hwndParent)) {
hbr = (HBRUSH)SendMessage(hwndParent, WM_CTLCOLORDLG, (WPARAM)dc, (LPARAM)hwndParent);
ReleaseDC(hwndParent, dc);
}
}
if (hbr) {
FillRect(hdcMem, rcClient, hbr);
DeleteObject(hbr);
}
if (ctl->stateId == PBS_HOT || ctl->bFocus) {
if (ctl->pbState) DrawEdge(hdcMem, rcClient, EDGE_ETCHED, BF_RECT | BF_SOFT);
else DrawEdge(hdcMem, rcClient, BDR_RAISEDOUTER, BF_RECT | BF_SOFT | BF_FLAT);
}
else if (ctl->stateId == PBS_PRESSED)
DrawEdge(hdcMem, rcClient, BDR_SUNKENOUTER, BF_RECT | BF_SOFT);
}
else {
UINT uState = DFCS_BUTTONPUSH | ((ctl->stateId == PBS_HOT) ? DFCS_HOT : 0) | ((ctl->stateId == PBS_PRESSED) ? DFCS_PUSHED : 0);
if (ctl->defbutton&&ctl->stateId == PBS_NORMAL) uState |= DLGC_DEFPUSHBUTTON;
DrawFrameControl(hdcMem, rcClient, DFC_BUTTON, uState);
// Draw focus rectangle if button has focus
if (ctl->bFocus) {
RECT focusRect = *rcClient;
InflateRect(&focusRect, -3, -3);
DrawFocusRect(hdcMem, &focusRect);
}
}
// calculate text rect
{
SIZE sizeText;
HFONT hOldFont;
ccText = GetWindowText(ctl->hwnd, szText, _countof(szText));
if (ccText > 0) {
hOldFont = (HFONT)SelectObject(hdcMem, ctl->hFont);
GetTextExtentPoint32(hdcMem, szText, ccText, &sizeText);
if (ctl->cHot) {
SIZE sizeHot;
GetTextExtentPoint32A(hdcMem, "&", 1, &sizeHot);
sizeText.cx -= sizeHot.cx;
}
SelectObject(hdcMem, hOldFont);
rcText.left = (ctl->hIcon) ? 0 : (rcClient->right - rcClient->left - sizeText.cx) / 2;
rcText.top = (rcClient->bottom - rcClient->top - sizeText.cy) / 2;
rcText.right = rcText.left + sizeText.cx;
rcText.bottom = rcText.top + sizeText.cy;
if (ctl->stateId == PBS_PRESSED)
OffsetRect(&rcText, 1, 1);
}
}
PaintIcon(ctl, hdcMem, &ccText, rcClient, &rcText);
// draw text
if (ccText > 0) {
HFONT hOldFont;
hOldFont = (HFONT)SelectObject(hdcMem, ctl->hFont);
SetBkMode(hdcMem, TRANSPARENT);
SetTextColor(hdcMem,
IsWindowEnabled(ctl->hwnd) || !ctl->hThemeButton
? ctl->stateId == PBS_HOT
? GetSysColor(COLOR_HOTLIGHT)
: GetSysColor(COLOR_BTNTEXT)
: GetSysColor(COLOR_GRAYTEXT));
DrawState(hdcMem, NULL, NULL, (LPARAM)szText, 0,
rcText.left, rcText.top, rcText.right - rcText.left, rcText.bottom - rcText.top,
IsWindowEnabled(ctl->hwnd) || ctl->hThemeButton ? DST_PREFIXTEXT | DSS_NORMAL : DST_PREFIXTEXT | DSS_DISABLED);
SelectObject(hdcMem, hOldFont);
}
}
// Paint the button
void QPictureButton::paintEvent(QPaintEvent*)
{
PaintButton();
PaintIcon();
PaintText();
}
/**
* name: PaintThemeButton
* desc: Draws the themed button
* param: ctl - BTNCTRL structure for the button
* hdcMem - device context to draw to
* rcClient - rectangle of the whole button
* return: nothing
**/
static void __fastcall PaintThemeButton(BTNCTRL *ctl, HDC hdcMem, LPRECT rcClient)
{
RECT rcText = { 0, 0, 0, 0 };
WCHAR wszText[MAX_PATH] = { 0 };
WORD ccText;
// Draw the flat button
if ((ctl->dwStyle & MBS_FLAT) && ctl->hThemeToolbar) {
int state = IsWindowEnabled(ctl->hwnd)
? (ctl->stateId == PBS_NORMAL && ctl->defbutton
? PBS_DEFAULTED
: ctl->stateId)
: PBS_DISABLED;
if (IsThemeBackgroundPartiallyTransparent(ctl->hThemeToolbar, TP_BUTTON, TBStateConvert2Flat(state))) {
if (SUCCEEDED(DrawThemeParentBackground(ctl->hwnd, hdcMem, rcClient)))
DrawThemeParentBackground(GetParent(ctl->hwnd), hdcMem, rcClient);
}
DrawThemeBackground(ctl->hThemeToolbar, hdcMem, TP_BUTTON, TBStateConvert2Flat(state), rcClient, rcClient);
}
else {
// draw themed button background
if (ctl->hThemeButton) {
int state = IsWindowEnabled(ctl->hwnd)
? (ctl->stateId == PBS_NORMAL && ctl->defbutton
? PBS_DEFAULTED
: ctl->stateId)
: PBS_DISABLED;
if (IsThemeBackgroundPartiallyTransparent(ctl->hThemeButton, BP_PUSHBUTTON, state)) {
if (SUCCEEDED(DrawThemeParentBackground(ctl->hwnd, hdcMem, rcClient)))
DrawThemeParentBackground(GetParent(ctl->hwnd), hdcMem, rcClient);
}
DrawThemeBackground(ctl->hThemeButton, hdcMem, BP_PUSHBUTTON, state, rcClient, rcClient);
}
}
// calculate text rect
{
RECT sizeText;
HFONT hOldFont;
ccText = GetWindowTextW(ctl->hwnd, wszText, _countof(wszText));
if (ccText > 0) {
hOldFont = (HFONT)SelectObject(hdcMem, ctl->hFont);
GetThemeTextExtent(
ctl->hThemeButton,
hdcMem,
BP_PUSHBUTTON,
IsWindowEnabled(ctl->hwnd) ? ctl->stateId : PBS_DISABLED,
wszText,
ccText,
DST_PREFIXTEXT,
NULL,
&sizeText);
if (ctl->cHot) {
RECT rcHot;
GetThemeTextExtent(ctl->hThemeButton,
hdcMem,
BP_PUSHBUTTON,
IsWindowEnabled(ctl->hwnd) ? ctl->stateId : PBS_DISABLED,
L"&",
1,
DST_PREFIXTEXT,
NULL,
&rcHot);
sizeText.right -= (rcHot.right - rcHot.left);
}
SelectObject(hdcMem, hOldFont);
rcText.left = (ctl->hIcon) ? 0 : (rcClient->right - rcClient->left - (sizeText.right - sizeText.left)) / 2;
rcText.top = (rcClient->bottom - rcClient->top - (sizeText.bottom - sizeText.top)) / 2;
rcText.right = rcText.left + (sizeText.right - sizeText.left);
rcText.bottom = rcText.top + (sizeText.bottom - sizeText.top);
if (ctl->stateId == PBS_PRESSED) {
OffsetRect(&rcText, 1, 1);
}
}
}
PaintIcon(ctl, hdcMem, &ccText, rcClient, &rcText);
// draw text
if (ccText > 0 && ctl->hThemeButton) {
HFONT hOldFont = (HFONT)SelectObject(hdcMem, ctl->hFont);
DrawThemeText(ctl->hThemeButton, hdcMem, BP_PUSHBUTTON, IsWindowEnabled(ctl->hwnd) ? ctl->stateId : PBS_DISABLED, wszText, ccText, DST_PREFIXTEXT, 0, &rcText);
SelectObject(hdcMem, hOldFont);
}
}
