static void
button_paint_split(HWND win, button_t* button, HDC dc)
{
RECT rect;
RECT rect_left, rect_right;
int state_left, state_right;
int text_offset = 0;
HFONT font, old_font;
int old_bk_mode;
COLORREF old_text_color;
HRGN old_clip;
HICON glyph;
int width_right = DROPDOWN_W;
glyph = ImageList_GetIcon(mc_bmp_glyphs, MC_BMP_GLYPH_MORE_OPTIONS, ILD_TRANSPARENT);
GetClientRect(win, &rect);
font = (HFONT) MC_SEND(win, WM_GETFONT, 0, 0);
if(font == NULL)
font = GetStockObject(SYSTEM_FONT);
old_font = SelectObject(dc, font);
old_bk_mode = GetBkMode(dc);
old_text_color = GetTextColor(dc);
old_clip = get_clip(dc);
/* Draw what's common for left and right parts background. */
if(!button->theme && (button->style & BS_DEFPUSHBUTTON)) {
SelectObject(dc, GetSysColorBrush(COLOR_WINDOWFRAME));
Rectangle(dc, rect.left, rect.top, rect.right, rect.bottom);
mc_rect_inflate(&rect, -1, -1);
width_right--;
}
/* Setup subrectangles (mainpart 1 and push-down part 2) */
mc_rect_copy(&rect_left, &rect);
rect_left.right -= width_right;
mc_rect_copy(&rect_right, &rect);
rect_right.left = rect_left.right;
/* Draw background. */
if(button->theme) {
UINT transparent;
RECT tmp;
/* Determine styles for left and right parts */
if(button->style & WS_DISABLED) {
state_left = state_right = PBS_DISABLED;
} else {
LRESULT state;
state = MC_SEND(win, BM_GETSTATE, 0, 0);
if(state & MC_BST_DROPDOWNPUSHED) {
state_left = PBS_NORMAL;
state_right = PBS_PRESSED;
} else {
if(state & BST_PUSHED)
state_left = state_right = PBS_PRESSED;
else if(state & BST_HOT)
state_left = state_right = PBS_HOT;
else if(button->style & BS_DEFPUSHBUTTON)
state_left = state_right = PBS_DEFAULTED;
else
state_left = state_right = PBS_NORMAL;
}
}
/* Handle (semi-)transparent themes. */
transparent = 0;
if(mcIsThemeBackgroundPartiallyTransparent(button->theme,
BP_PUSHBUTTON, state_left))
transparent |= 0x1;
if(mcIsThemeBackgroundPartiallyTransparent(button->theme,
BP_PUSHBUTTON, state_right))
transparent |= 0x2;
switch(transparent) {
case 0x1:
mcDrawThemeParentBackground(win, dc, &rect_left);
break;
case 0x2:
mcDrawThemeParentBackground(win, dc, &rect_right);
break;
case 0x3:
mcDrawThemeParentBackground(win, dc, &rect);
break;
}
/* Draw backgrond. */
mcDrawThemeBackground(button->theme, dc, BP_PUSHBUTTON, state_left, &rect, &rect_left);
mcDrawThemeBackground(button->theme, dc, BP_PUSHBUTTON, state_right, &rect, &rect_right);
/* Deflate both rects to content rects only */
mcGetThemeBackgroundContentRect(button->theme, dc, BP_PUSHBUTTON, state_left, &rect_left, &tmp);
rect_left.left = tmp.left;
rect_left.top = tmp.top;
rect_left.bottom = tmp.bottom;
mcGetThemeBackgroundContentRect(button->theme, dc, BP_PUSHBUTTON, state_right, &rect_right, &tmp);
rect_right.top = tmp.top;
rect_right.right = tmp.right;
rect_right.bottom = tmp.bottom;
/* Draw delimiter of left and right parts. */
rect_right.top += 1;
rect_right.bottom -= 1;
mcDrawThemeEdge(button->theme, dc, BP_PUSHBUTTON, state_right, &rect_right, BDR_SUNKEN, BF_LEFT, NULL);
rect_right.left = tmp.left;
} else {
/* Determine styles for left and right parts */
if(button->style & WS_DISABLED) {
state_left = state_right = DFCS_INACTIVE;
} else {
LRESULT s = MC_SEND(win, BM_GETSTATE, 0, 0);
if(s & MC_BST_DROPDOWNPUSHED) {
state_left = 0;
state_right = DFCS_PUSHED;
} else {
if(s & BST_PUSHED) {
state_left = state_right = DFCS_PUSHED;
} else {
state_left = state_right = 0;
}
}
}
button_send_ctlcolorbtn(win, dc);
/* Draw control edges */
IntersectClipRect(dc, rect_left.left, rect_left.top, rect_left.right, rect_left.bottom);
DrawFrameControl(dc, &rect, DFC_BUTTON, DFCS_BUTTONPUSH | state_left);
SelectClipRgn(dc, NULL);
IntersectClipRect(dc, rect_right.left, rect_right.top, rect_right.right, rect_right.bottom);
DrawFrameControl(dc, &rect, DFC_BUTTON, DFCS_BUTTONPUSH | state_right);
/* Parts which are pushed, should have the contents moved a bit */
if(state_left == DFCS_PUSHED)
mc_rect_offset(&rect_left, 1, 1);
if(state_right == DFCS_PUSHED)
mc_rect_offset(&rect_right, 1, 1);
/* Draw delimiter */
if(state_left == state_right) {
DrawEdge(dc, &rect_right, BDR_SUNKENOUTER | BDR_RAISEDINNER, BF_LEFT | BF_SOFT);
} else {
rect_right.left--;
DrawEdge(dc, &rect_right, BDR_SUNKENOUTER, BF_LEFT | BF_SOFT);
rect_right.left++;
}
/* Adjust for the outer control edges */
mc_rect_inflate(&rect_left, 0, -2);
rect_left.left += 2;
mc_rect_inflate(&rect_right, -2, -2);
}
/* Draw focus rectangle. */
if((MC_SEND(win, BM_GETSTATE, 0, 0) & BST_FOCUS) && !button->hide_focus) {
SelectClipRgn(dc, NULL);
if(button->theme) {
mc_rect_set(&rect, rect_left.left, rect_left.top,
rect_right.right - DROPDOWN_W, rect_right.bottom);
DrawFocusRect(dc, &rect);
} else {
mc_rect_inflate(&rect_left, -1, -2);
DrawFocusRect(dc, &rect_left);
mc_rect_inflate(&rect_left, -1, -1);
}
}
/* Draw glyph into the right part */
SelectClipRgn(dc, NULL);
IntersectClipRect(dc, rect_right.left, rect_right.top,
rect_right.right, rect_right.bottom);
DrawIconEx(dc, (rect_right.right + rect_right.left - MC_BMP_GLYPH_W) / 2,
(rect_right.bottom + rect_right.top - MC_BMP_GLYPH_H) / 2,
glyph, MC_BMP_GLYPH_W, MC_BMP_GLYPH_H, 0, NULL, DI_NORMAL);
/* Draw left part contents */
SelectClipRgn(dc, NULL);
IntersectClipRect(dc, rect_left.left, rect_left.top,
rect_left.right, rect_left.bottom);
if(button->style & BS_ICON) {
/* Paint (BS_SPLITBUTTON | BS_ICON). Note that this is used even on
* Vista, as according to some my testing this style combination
* is not supported there... */
HICON icon;
icon = (HICON) MC_SEND(win, BM_GETIMAGE, (WPARAM) IMAGE_ICON, (LPARAM) 0);
if(icon != NULL) {
SIZE size;
UINT flags;
mc_icon_size(icon, &size);
flags = DST_ICON;
if(button->style & WS_DISABLED)
flags |= DSS_DISABLED;
DrawState(dc, NULL, NULL, (LPARAM) icon, 0,
(rect_left.right + rect_left.left - size.cx) / 2,
(rect_left.bottom + rect_left.top - size.cy) / 2,
size.cx, size.cy, flags);
}
} else {
/* Paint text label */
TCHAR buffer[256];
int n;
UINT flags = 0;
/* Setup flags for TextOut/mcDrawThemeText */
switch(button->style & (BS_LEFT | BS_CENTER | BS_RIGHT)) {
case BS_LEFT:
flags |= DT_LEFT;
break;
case BS_RIGHT:
flags |= DT_RIGHT;
break;
default:
if(GetWindowLong(win, GWL_EXSTYLE) & WS_EX_RIGHT)
flags |= DT_RIGHT;
else
flags |= DT_CENTER;
break;
}
switch(button->style & (BS_TOP | BS_VCENTER | BS_BOTTOM)) {
case BS_TOP:
flags |= DT_TOP;
break;
case BS_BOTTOM:
flags |= DT_BOTTOM;
break;
default:
flags |= DT_VCENTER;
break;
}
if(button->style & BS_MULTILINE)
flags |= DT_WORDBREAK;
else
flags |= DT_SINGLELINE;
if(button->hide_accel)
flags |= DT_HIDEPREFIX;
n = MC_SEND(win, WM_GETTEXT, MC_ARRAY_SIZE(buffer), buffer);
if(button->theme) {
mcDrawThemeText(button->theme, dc, BP_PUSHBUTTON,
state_left, buffer, n, flags, 0, &rect_left);
} else {
SetBkMode(dc, TRANSPARENT);
SetTextColor(dc, GetSysColor(COLOR_BTNTEXT));
mc_rect_offset(&rect_left, text_offset, text_offset);
DrawText(dc, buffer, n, &rect_left, flags);
}
}
SelectObject(dc, old_font);
SetBkMode(dc, old_bk_mode);
SetTextColor(dc, old_text_color);
SelectObject(dc, old_clip);
}
static LRESULT CALLBACK
button_proc(HWND win, UINT msg, WPARAM wp, LPARAM lp)
{
button_t* button = (button_t*) GetWindowLongPtr(win, extra_offset);
/* Window procedure for our subclassed BUTTON does some logic if
* either [1] the control is split button and system does not support it
* (i.e. Windows is older then Vista).
* or [2] the control is BS_ICON and theming is in use, as std.
* control draws in the old unthemed style this kind of button.
* In all other cases all messages are just forwarded to the standard
* Microsoft button procedure.
*/
switch(msg) {
case WM_PAINT:
case WM_PRINTCLIENT:
{
BOOL fake_split;
BOOL fake_icon;
PAINTSTRUCT ps;
HDC dc;
fake_split = button_is_fake_split(button);
fake_icon = button_is_fake_icon(button);
if(!fake_split && !fake_icon) {
/* Keep it on original proc */
break;
}
if(msg == WM_PAINT)
dc = BeginPaint(win, &ps);
else
dc = (HDC) wp;
if(!button->no_redraw) {
if(fake_split)
button_paint_split(win, button, dc);
else
button_paint_icon(win, button, dc);
}
if(msg == WM_PAINT)
EndPaint(win, &ps);
return 0;
}
case WM_LBUTTONDOWN:
if(button_is_fake_split(button)) {
POINT pt = { GET_X_LPARAM(lp), GET_Y_LPARAM(lp) };
RECT rect;
SetFocus(win);
GetClientRect(win, &rect);
rect.left = rect.right - DROPDOWN_W;
if(mc_rect_contains_pt(&rect, &pt)) {
/* Handle the click in the drop-down part */
MC_NMBCDROPDOWN notify;
button->is_dropdown_pushed = 1;
InvalidateRect(win, &rect, TRUE);
notify.hdr.hwndFrom = win;
notify.hdr.idFrom = GetWindowLong(win, GWL_ID);
notify.hdr.code = MC_BCN_DROPDOWN;
mc_rect_copy(¬ify.rcButton, &rect);
MC_SEND(GetAncestor(win, GA_PARENT), WM_NOTIFY, notify.hdr.idFrom, ¬ify);
/* We unpush immediately after the parent handles the
* notification. Usually it takes some time - parent
* typically shows some popup-menu or other stuff
* which includes a modal eventloop and/or mouse capture.
*/
button->is_dropdown_pushed = 0;
InvalidateRect(win, NULL, TRUE);
return 0;
}
}
break;
case WM_LBUTTONDBLCLK:
if(button_is_fake_split(button)) {
RECT rect;
GetClientRect(win, &rect);
rect.left = rect.right - DROPDOWN_W;
if(mc_rect_contains_pos(&rect, lp)) {
/* We ignore duble-click in the drop-down part. */
return 0;
}
}
break;
case WM_GETDLGCODE:
/* Handling this message allows the dialogs to set the button
* as default, as it is done for normal push buttons. Unfortunately
* it causes other problems. See the comment in WM_STYLECHANGING.
*/
if(button_is_fake_split(button)) {
if((button->style & BS_TYPEMASK) == MC_BS_DEFSPLITBUTTON) {
BUTTON_TRACE("button_proc(WM_GETDLGCODE): -> DLGC_DEFPUSHBUTTON");
return DLGC_BUTTON | DLGC_DEFPUSHBUTTON;
}
if((button->style & BS_TYPEMASK) == MC_BS_SPLITBUTTON) {
BUTTON_TRACE("button_proc(WM_GETDLGCODE): -> DLGC_UNDEFPUSHBUTTON");
return DLGC_BUTTON | DLGC_UNDEFPUSHBUTTON;
}
}
break;
case BM_SETSTATE:
if(button_is_fake_split(button)) {
CallWindowProc(orig_button_proc, win, msg, wp, lp);
/* USER32.DLL does some painting in BM_SETSTATE. Repaint
* the split button. */
InvalidateRect(win, NULL, TRUE);
return 0;
}
break;
case BM_GETSTATE:
if(button_is_fake_split(button)) {
DWORD s = CallWindowProc(orig_button_proc, win, msg, wp, lp);
if(button->is_dropdown_pushed)
s |= MC_BST_DROPDOWNPUSHED;
return s;
}
break;
case BM_SETSTYLE:
if(button_is_fake_split(button)) {
BUTTON_TRACE("button_proc(BM_SETSTYLE): split style fixup");
wp &= ~(BS_TYPEMASK & ~BS_DEFPUSHBUTTON);
wp |= MC_BS_SPLITBUTTON;
CallWindowProc(orig_button_proc, win, msg, wp, lp);
button->style = GetWindowLong(win, GWL_STYLE);
return 0;
}
break;
case WM_SETREDRAW:
button->no_redraw = !wp;
break;
case WM_STYLECHANGING:
if(button_is_fake_split(button)) {
STYLESTRUCT* ss = (STYLESTRUCT*) lp;
if((ss->styleOld & BS_TYPEMASK) == MC_BS_SPLITBUTTON ||
(ss->styleOld & BS_TYPEMASK) == MC_BS_DEFSPLITBUTTON) {
/* On older system which do not support split buttons
* (i.e. 2000, XP), the dialog procedure does not handle
* moving the default state correctly: It accidentaly
* removes our split button button type. Hence we perform
* this fixup.
*
* Unfortunately this means that app. cannot freely change
* BS_SPLITBUTTON to BS_BUTTON with SetWindowLong(GWL_STYLE)
* as this will prevent that too... */
BUTTON_TRACE("button_proc(WM_STYLECHANGING): split style fixup");
ss->styleNew &= ~(BS_TYPEMASK & ~BS_DEFPUSHBUTTON);
ss->styleNew |= MC_BS_SPLITBUTTON;
}
}
break;
case WM_STYLECHANGED:
if(wp == GWL_STYLE) {
STYLESTRUCT* ss = (STYLESTRUCT*) lp;
button->style = ss->styleNew;
}
break;
case WM_THEMECHANGED:
if(button->theme)
mcCloseThemeData(button->theme);
button->theme = mcOpenThemeData(win, button_tc);
InvalidateRect(win, NULL, FALSE);
break;
case WM_SYSCOLORCHANGE:
InvalidateRect(win, NULL, FALSE);
break;
case WM_UPDATEUISTATE:
button_update_ui_state(button, LOWORD(wp), HIWORD(wp));
InvalidateRect(win, NULL, FALSE);
break;
case WM_NCCREATE:
if(MC_ERR(!CallWindowProc(orig_button_proc, win, WM_NCCREATE, wp, lp))) {
MC_TRACE_ERR("button_proc(WM_NCCREATE): orig_button_proc() failed");
return FALSE;
}
button = (button_t*) malloc(sizeof(button_t));
if(MC_ERR(button == NULL)) {
MC_TRACE("button_proc(WM_CREATE): malloc() failed.");
return FALSE;
}
memset(button, 0, sizeof(button_t));
button->style = ((CREATESTRUCT*)lp)->style;
SetWindowLongPtr(win, extra_offset, (LONG_PTR) button);
return TRUE;
case WM_CREATE:
if(MC_ERR(CallWindowProc(orig_button_proc, win, WM_CREATE, wp, lp) != 0)) {
MC_TRACE_ERR("button_proc(WM_CREATE): orig_button_proc() failed");
return -1;
}
button->theme = mcOpenThemeData(win, button_tc);
{
WORD ui_state = MC_SEND(win, WM_QUERYUISTATE, 0, 0);
button->hide_focus = (ui_state & UISF_HIDEFOCUS) ? 1 : 0;
button->hide_accel = (ui_state & UISF_HIDEACCEL) ? 1 : 0;
}
return 0;
case WM_DESTROY:
if(button->theme) {
mcCloseThemeData(button->theme);
button->theme = NULL;
}
break;
case WM_NCDESTROY:
if(button)
free(button);
break;
}
return CallWindowProc(orig_button_proc, win, msg, wp, lp);
}
BOOL MCTRL_API
mcMenubar_HandleRebarChevronPushed(HWND hwndMenubar,
NMREBARCHEVRON* lpRebarChevron)
{
REBARBANDINFO band_info;
menubar_t* mb;
RECT rect;
HMENU menu;
MENUITEMINFO mii;
TCHAR buffer[MENUBAR_ITEM_LABEL_MAXSIZE];
int i, n;
TPMPARAMS params;
/* Verify lpRebarChevron is from notification we assume. */
if(MC_ERR(lpRebarChevron->hdr.code != RBN_CHEVRONPUSHED)) {
MC_TRACE("mcMenubar_HandleRebarChevronPushed: Not RBN_CHEVRONPUSHED");
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
/* Verify/get the menubar handle */
band_info.cbSize = REBARBANDINFO_V3_SIZE;
band_info.fMask = RBBIM_CHILD;
MC_SEND(lpRebarChevron->hdr.hwndFrom, RB_GETBANDINFO, lpRebarChevron->uBand, &band_info);
if(hwndMenubar != NULL) {
if(MC_ERR(hwndMenubar != band_info.hwndChild)) {
MC_TRACE("mcMenubar_HandleRebarChevronPushed: "
"Notification not about band with the specified menubar.");
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
} else {
hwndMenubar = band_info.hwndChild;
if(MC_ERR(hwndMenubar == NULL)) {
MC_TRACE("mcMenubar_HandleRebarChevronPushed: "
"The band does not host any child window");
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
}
/* Create popup menu for not completely visible menu items */
mb = (menubar_t*) GetWindowLongPtr(hwndMenubar, extra_offset);
GetClientRect(hwndMenubar, &rect);
menu = CreatePopupMenu();
if(MC_ERR(menu == NULL)) {
MC_TRACE_ERR("mcMenubar_HandleRebarChevronPushed: CreatePopupMenu() failed.");
return FALSE;
}
mii.cbSize = sizeof(MENUITEMINFO);
mii.fMask = MIIM_STRING | MIIM_STATE | MIIM_ID | MIIM_SUBMENU;
mii.dwTypeData = buffer;
mii.cch = MC_SIZEOF_ARRAY(buffer);
n = MENUBAR_SENDMSG(hwndMenubar, TB_BUTTONCOUNT, 0, 0);
for(i = n-1; i >= 0; i--) {
RECT item_rect;
MENUBAR_SENDMSG(hwndMenubar, TB_GETITEMRECT, i, &item_rect);
if(item_rect.right < rect.right)
break;
mii.cch = MC_SIZEOF_ARRAY(buffer);
GetMenuItemInfo(mb->menu, i, TRUE, &mii);
InsertMenuItem(menu, 0, TRUE, &mii);
}
params.cbSize = sizeof(TPMPARAMS);
mc_rect_copy(¶ms.rcExclude, &lpRebarChevron->rc);
/* Run the menu */
MapWindowPoints(hwndMenubar, NULL, (POINT*) ¶ms.rcExclude, 2);
TrackPopupMenuEx(menu, TPM_LEFTALIGN | TPM_LEFTBUTTON | TPM_VERTICAL,
params.rcExclude.left, params.rcExclude.bottom, mb->win, ¶ms);
/* Destroy the popup menu. Note submenus have to survive as they are shared
* with the menubar itself. */
n = GetMenuItemCount(menu);
for(i = 0; i < n; i++)
RemoveMenu(menu, 0, MF_BYPOSITION);
DestroyMenu(menu);
return TRUE;
}
