bsnes/hiro/windows/widget/button.cpp

103 lines
3.4 KiB
C++

namespace phoenix {
#ifndef Button_SetImageList
//MinGW/32-bit has painfully outdated platform headers ...
typedef struct {
HIMAGELIST himl;
RECT margin;
UINT uAlign;
} BUTTON_IMAGELIST, *PBUTTON_IMAGELIST;
#define BUTTON_IMAGELIST_ALIGN_LEFT 0
#define BUTTON_IMAGELIST_ALIGN_RIGHT 1
#define BUTTON_IMAGELIST_ALIGN_TOP 2
#define BUTTON_IMAGELIST_ALIGN_BOTTOM 3
#define BUTTON_IMAGELIST_ALIGN_CENTER 4
#define BCM_FIRST 0x1600
#define BCM_SETIMAGELIST (BCM_FIRST+2)
#define Button_SetImageList(hwnd, pbuttonImagelist) (WINBOOL)SNDMSG((hwnd),BCM_SETIMAGELIST,0,(LPARAM)(pbuttonImagelist))
#endif
Size pButton::minimumSize() {
Size size = pFont::size(hfont, button.state.text);
if(button.state.orientation == Orientation::Horizontal) {
size.width += button.state.image.width;
size.height = max(button.state.image.height, size.height);
}
if(button.state.orientation == Orientation::Vertical) {
size.width = max(button.state.image.width, size.width);
size.height += button.state.image.height;
}
return {size.width + (button.state.text ? 20 : 10), size.height + 10};
}
void pButton::setBordered(bool bordered) {
}
void pButton::setImage(const image& image, Orientation orientation) {
nall::image nallImage = image;
nallImage.transform(0, 32, 255u << 24, 255u << 16, 255u << 8, 255u << 0);
if(hbitmap) { DeleteObject(hbitmap); hbitmap = 0; }
if(himagelist) { ImageList_Destroy(himagelist); himagelist = 0; }
//Windows XP and earlier do not support translucent images
//so we must blend with the button background color (which does not look great with XP gradient-button themes)
if(OsVersion() < WindowsVista) nallImage.alphaBlend(GetSysColor(COLOR_BTNFACE));
hbitmap = CreateBitmap(nallImage);
himagelist = ImageList_Create(nallImage.width, nallImage.height, ILC_COLOR32, 1, 0);
ImageList_Add(himagelist, hbitmap, NULL);
BUTTON_IMAGELIST list;
list.himl = himagelist;
switch(orientation) {
case Orientation::Horizontal: SetRect(&list.margin, 5, 0, 0, 0); list.uAlign = BUTTON_IMAGELIST_ALIGN_LEFT; break;
case Orientation::Vertical: SetRect(&list.margin, 0, 5, 0, 0); list.uAlign = BUTTON_IMAGELIST_ALIGN_TOP; break;
}
Button_SetImageList(hwnd, &list);
setText(button.state.text); //update text to display nicely with image (or lack thereof)
}
void pButton::setText(string text) {
if(text.empty()) {
//bitmaps will not show up if text is empty
SetWindowLongPtr(hwnd, GWL_STYLE, GetWindowLongPtr(hwnd, GWL_STYLE) | BS_BITMAP);
} else {
//text will not show up if BS_BITMAP is set
SetWindowLongPtr(hwnd, GWL_STYLE, GetWindowLongPtr(hwnd, GWL_STYLE) & ~BS_BITMAP);
}
SetWindowText(hwnd, utf16_t(text));
}
void pButton::constructor() {
hwnd = CreateWindow(L"BUTTON", L"", WS_CHILD | WS_TABSTOP, 0, 0, 0, 0, parentHwnd, (HMENU)id, GetModuleHandle(0), 0);
SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)&button);
setDefaultFont();
setBordered(button.state.bordered);
setImage(button.state.image, button.state.orientation);
//setText(button.state.text); //called by setImage();
synchronize();
}
void pButton::destructor() {
if(hbitmap) { DeleteObject(hbitmap); hbitmap = 0; }
if(himagelist) { ImageList_Destroy(himagelist); himagelist = 0; }
DestroyWindow(hwnd);
}
void pButton::orphan() {
destructor();
constructor();
}
void pButton::onActivate() {
if(button.onActivate) button.onActivate();
}
}