More container work on Windows.

This commit is contained in:
Pietro Gagliardi 2015-04-27 10:37:37 -04:00
parent 14a720fb7c
commit 68b801fa92
1 changed files with 118 additions and 6 deletions

View File

@ -5,13 +5,19 @@
HWND initialParent;
struct container {
HWND hwnd;
uiContainer *parent;
};
// from https://msdn.microsoft.com/en-us/library/windows/desktop/dn742486.aspx#sizingandspacing and https://msdn.microsoft.com/en-us/library/windows/desktop/bb226818%28v=vs.85%29.aspx
// this X value is really only for buttons but I don't see a better one :/
#define winXPadding 4
#define winYPadding 4
static void resize(uiContainer *c, RECT *r)
static void resize(uiContainer *cc, RECT *r)
{
struct container *c = (struct container *) (cc->Internal);
uiSizing d;
uiSizingSys sys;
HDC dc;
@ -23,7 +29,7 @@ static void resize(uiContainer *c, RECT *r)
size.cx = 0;
size.cy = 0;
ZeroMemory(&tm, sizeof (TEXTMETRICW));
dc = GetDC(parent);
dc = GetDC(c->hwnd);
if (dc == NULL)
logLastError("error getting DC in resize()");
prevfont = (HFONT) SelectObject(dc, hMessageFont);
@ -38,12 +44,12 @@ static void resize(uiContainer *c, RECT *r)
sys.internalLeading = tm.tmInternalLeading;
if (SelectObject(dc, prevfont) != hMessageFont)
logLastError("error restoring previous font into device context in resize()");
if (ReleaseDC(parent, dc) == 0)
if (ReleaseDC(c->hwnd, dc) == 0)
logLastError("error releasing DC in resize()");
d.xPadding = uiDlgUnitsToX(winXPadding, sys.baseX);
d.yPadding = uiDlgUnitsToY(winYPadding, sys.baseY);
d.sys = &sys;
uiContainerResizeChildren(c, r.left, r.top, r.right - r.left, r.bottom - r.top, &d);
uiContainerResizeChildren(cc, r.left, r.top, r.right - r.left, r.bottom - r.top, &d);
}
static LRESULT CALLBACK containerWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
@ -111,7 +117,113 @@ const char *initContainer(void)
return NULL;
}
void uiMakeContainer(uiContainer *c)
// subclasses override this and call back here when all children are destroyed
static void containerDestroy(uiControl *cc)
{
// TODO
struct container *c = (struct container *) (cc->Internal);
if (c->parent != NULL)
complain("attempt to destroy uiContainer %p while it has a parent", cc);
if (DestroyWindow(c->hwnd) == 0)
logLastError("error destroying uiContainer window in containerDestroy()");
uiFree(c);
}
static uintptr_t containerHandle(uiControl *cc)
{
struct container *c = (struct container *) (cc->Internal);
return (uinptr_t) (c->hwnd);
}
static void containerSetParent(uiControl *cc, uiContainer *parent)
{
struct contianer *c = (struct container *) cc;
uiContainer *oldparent;
HWND newparent;
oldparent = c->parent;
c->parent = parent;
newparent = initialParent;
if (c->parent != NULL)
newparent = (HWND) uiControlHandle(uiControl(c->parent));
if (SetParent(c->hwnd, newparent) == 0)
logLastError("error changing uiContainer parent in containerSetParent()");
if (oldparent != NULL)
uiContainerUpdate(oldparent);
if (c->parent != NULL)
uiContainerUpdate(c->parent);
}
static void containerResize(uiControl *cc, intmax_t x, intmax_t y, intmax_t width, intmax_t height, uiSizing *d)
{
struct container *c = (struct container *) (cc->Internal);
if (MoveWindow(c->hwnd, x, y, width, height, TRUE) == 0)
logLastError("error resizing uiContainer in containerResize()");
}
static void containerShow(uiControl *cc)
{
struct container *c = (struct container *) (cc->Internal);
ShowWindow(c->hwnd, SW_SHOW);
}
static void containerHide(uiControl *cc)
{
struct container *c = (struct container *) (cc->Internal);
ShowWindow(c->hwnd, SW_HIDE);
}
static void containerEnable(uiControl *cc)
{
struct container *c = (struct container *) (cc->Internal);
EnableWindow(c->hwnd, TRUE);
}
static void containerDisable(uiControl *cc)
{
struct container *c = (struct container *) (cc->Internal);
EnableWindow(c->hwnd, FALSE);
}
static void containerUpdate(uiContainer *cc)
{
struct container *c = (struct container *) (uiControl(cc)->Internal);
SendMessageW(c->hwnd, msgUpdateChild, 0, 0);
}
void uiMakeContainer(uiContainer *cc)
{
struct container *c;
c = uiNew(struct container);
c->hwnd = CreateWindowExW(0,
containerClass, L"",
WS_CHILD | WS_VISIBLE,
0, 0,
100, 100,
initialParent, NULL, hInstance, cc);
if (c->hwnd == NULL)
logLastError("error creating uiContainer window in uiMakeContainer()");
uiControl(cc)->Internal = c;
uiControl(cc)->Destroy = containerDestroy;
uiControl(cc)->Handle = containerHandle;
uiControl(cc)->SetParent = containerSetParent;
// PreferredSize() is provided by subclasses
uiControl(cc)->Resize = containerResize;
uiControl(cc)->Show = containerShow;
uiControl(cc)->Hide = containerHide;
uiControl(cc)->Enable = containerEnable;
uiControl(cc)->Disable = containerDisable;
// ResizeChildren() is provided by subclasses
uiContainer(cc)->Update = containerUpdate;
}