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Implemented changing themes in Windows Tables. Phew...

This commit is contained in:
Pietro Gagliardi 2014-08-25 14:04:20 -04:00
parent 3b703fc241
commit 14100cd172
3 changed files with 28 additions and 36 deletions
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60
redo/imagelist_windows.c
View File

@ -115,13 +115,13 @@ static UINT dfcState(int cbstate)
return ret;
}
static void dfcImage(HDC dc, RECT *r, int cbState)
static void dfcImage(HDC dc, RECT *r, int cbState, HTHEME theme)
{
if (DrawFrameControl(dc, r, DFC_BUTTON, dfcState(cbState)) == 0)
xpanic("error drawing checkbox image", GetLastError());
}
static void dfcSize(HDC dc, int *width, int *height)
static void dfcSize(HDC dc, int *width, int *height, HTHEME theme)
{
// there's no real metric around
// let's use SM_CX/YSMICON and hope for the best
@ -129,21 +129,6 @@ static void dfcSize(HDC dc, int *width, int *height)
*height = GetSystemMetrics(SM_CYSMICON);
}
static HTHEME theme = NULL;
static void openTheme(HWND hwnd)
{
HRESULT res;
if (theme != NULL) {
res = CloseThemeData(theme);
if (res != S_OK)
xpanichresult("error closing theme", res);
}
// ignore error; if it can't be done, we can fall back to DrawFrameControl()
theme = OpenThemeData(hwnd, L"button");
}
static int themestates[checkboxnStates] = {
CBS_UNCHECKEDNORMAL, // 0
CBS_CHECKEDNORMAL, // checked
@ -155,7 +140,7 @@ static int themestates[checkboxnStates] = {
CBS_CHECKEDPRESSED, // checked | hot | pushed
};
static SIZE getStateSize(HDC dc, int cbState)
static SIZE getStateSize(HDC dc, int cbState, HTHEME theme)
{
SIZE s;
HRESULT res;
@ -166,7 +151,7 @@ static SIZE getStateSize(HDC dc, int cbState)
return s;
}
static void themeImage(HDC dc, RECT *r, int cbState)
static void themeImage(HDC dc, RECT *r, int cbState, HTHEME theme)
{
HRESULT res;
@ -175,16 +160,16 @@ static void themeImage(HDC dc, RECT *r, int cbState)
xpanichresult("error drawing checkbox image", res);
}
static void themeSize(HDC dc, int *width, int *height)
static void themeSize(HDC dc, int *width, int *height, HTHEME theme)
{
SIZE size;
int cbState;
size = getStateSize(dc, 0);
size = getStateSize(dc, 0, theme);
for (cbState = 1; cbState < checkboxnStates; cbState++) {
SIZE against;
against = getStateSize(dc, cbState);
against = getStateSize(dc, cbState, theme);
if (size.cx != against.cx || size.cy != against.cy)
xpanic("size mismatch in checkbox states", GetLastError());
}
@ -192,7 +177,7 @@ static void themeSize(HDC dc, int *width, int *height)
*height = (int) size.cy;
}
static HBITMAP makeCheckboxImageListEntry(HDC dc, int width, int height, int cbState, void (*drawfunc)(HDC, RECT *, int))
static HBITMAP makeCheckboxImageListEntry(HDC dc, int width, int height, int cbState, void (*drawfunc)(HDC, RECT *, int, HTHEME), HTHEME theme)
{
BITMAPINFO bi;
VOID *ppvBits;
@ -223,7 +208,7 @@ static HBITMAP makeCheckboxImageListEntry(HDC dc, int width, int height, int cbS
prevbitmap = SelectObject(drawDC, bitmap);
if (prevbitmap == NULL)
xpanic("error selecting checkbox image list bitmap into DC", GetLastError());
(*drawfunc)(drawDC, &r, cbState);
(*drawfunc)(drawDC, &r, cbState, theme);
if (SelectObject(drawDC, prevbitmap) != bitmap)
xpanic("error selecting previous bitmap into checkbox image's DC", GetLastError());
if (DeleteDC(drawDC) == 0)
@ -232,7 +217,7 @@ static HBITMAP makeCheckboxImageListEntry(HDC dc, int width, int height, int cbS
return bitmap;
}
static HIMAGELIST newCheckboxImageList(HWND hwnddc, void (*sizefunc)(HDC, int *, int *), void (*drawfunc)(HDC, RECT *, int))
static HIMAGELIST newCheckboxImageList(HWND hwnddc, void (*sizefunc)(HDC, int *, int *, HTHEME), void (*drawfunc)(HDC, RECT *, int, HTHEME), HTHEME theme)
{
int width, height;
int cbState;
@ -242,14 +227,14 @@ static HIMAGELIST newCheckboxImageList(HWND hwnddc, void (*sizefunc)(HDC, int *,
dc = GetDC(hwnddc);
if (dc == NULL)
xpanic("error getting DC for making the checkbox image list", GetLastError());
(*sizefunc)(dc, &width, &height);
(*sizefunc)(dc, &width, &height, theme);
il = (*fv_ImageList_Create)(width, height, ILC_COLOR32, 20, 20); // should be reasonable
if (il == NULL)
xpanic("error creating checkbox image list", GetLastError());
for (cbState = 0; cbState < checkboxnStates; cbState++) {
HBITMAP bitmap;
bitmap = makeCheckboxImageListEntry(dc, width, height, cbState, drawfunc);
bitmap = makeCheckboxImageListEntry(dc, width, height, cbState, drawfunc, theme);
if ((*fv_ImageList_Add)(il, bitmap, NULL) == -1)
xpanic("error adding checkbox image to image list", GetLastError());
if (DeleteObject(bitmap) == 0)
@ -260,14 +245,21 @@ static HIMAGELIST newCheckboxImageList(HWND hwnddc, void (*sizefunc)(HDC, int *,
return il;
}
HIMAGELIST makeCheckboxImageList(HWND hwnddc)
HIMAGELIST makeCheckboxImageList(HWND hwnddc, HTHEME *theme)
{
if (theme == NULL) // try to open the theme
openTheme(hwnddc);
if (theme != NULL) { // use the theme
return newCheckboxImageList(hwnddc, themeSize, themeImage);
return;
if (*theme != NULL) {
HRESULT res;
res = CloseThemeData(*theme);
if (res != S_OK)
xpanichresult("error closing theme", res);
*theme = NULL;
}
// ignore error; if it can't be done, we can fall back to DrawFrameControl()
if (*theme == NULL) // try to open the theme
*theme = OpenThemeData(hwnddc, L"button");
if (*theme != NULL) // use the theme
return newCheckboxImageList(hwnddc, themeSize, themeImage, *theme);
// couldn't open; fall back
return newCheckboxImageList(hwnddc, dfcSize, dfcImage);
return newCheckboxImageList(hwnddc, dfcSize, dfcImage, *theme);
}

2
redo/table_windows.c
View File

@ -36,7 +36,7 @@ static void tableSetCheckboxImageList(HWND hwnd, struct tableData *t)
HIMAGELIST old;
old = t->checkboxImageList;
t->checkboxImageList = makeCheckboxImageList(hwnd);
t->checkboxImageList = makeCheckboxImageList(hwnd, &t->theme);
if (SendMessageW(hwnd, LVM_SETIMAGELIST, LVSIL_STATE, (LPARAM) (t->checkboxImageList)) == (LRESULT) NULL)
;//TODO xpanic("error setting image list", GetLastError());
// TODO free old one here if any

2
redo/winapi_windows.h
View File

@ -144,7 +144,7 @@ enum {
checkboxStatePushed = 1 << 2,
checkboxnStates = 1 << 3,
};
extern HIMAGELIST makeCheckboxImageList(HWND);
extern HIMAGELIST makeCheckboxImageList(HWND, HTHEME *);
// dialog_windows.c
extern WCHAR *openFile(void);