interesting
/
libui
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Made uiTab on Windows only resize when explicitly asked to rsize, not on every WM_WINDOWPOSCHANGED. This is important for making resizes smooth.

This commit is contained in:
Pietro Gagliardi 2015-05-10 12:54:11 -04:00
parent 24d63adb51
commit bcafe6806a
1 changed files with 37 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

72
windows/tab.c
View File

@ -5,6 +5,7 @@ struct tab {
uiTab t;
HWND hwnd;
struct ptrArray *pages;
void (*baseResize)(uiControl *, intmax_t, intmax_t, intmax_t, intmax_t, uiSizing *);
void (*baseEnable)(uiControl *);
void (*baseDisable)(uiControl *);
void (*baseSysFunc)(uiControl *, uiControlSysFuncParams *);
@ -99,6 +100,38 @@ static void tabPreferredSize(uiControl *c, uiSizing *d, intmax_t *width, intmax_
*height = r.bottom - r.top;
}
// common code for resizes
static void resizeTab(struct tab *t, LONG width, LONG height)
{
LRESULT n;
RECT r;
struct tabPage *page;
n = SendMessageW(t->hwnd, TCM_GETCURSEL, 0, 0);
if (n == (LRESULT) (-1)) // no child selected; do nothing
return;
// make a rect at (0, 0) of the given window size
// this should give us the correct client coordinates
r.left = 0;
r.top = 0;
r.right = width;
r.bottom = height;
// convert to the display rectangle
SendMessageW(t->hwnd, TCM_ADJUSTRECT, FALSE, (LPARAM) (&r));
page = ptrArrayIndex(t->pages, struct tabPage *, n);
uiBinResizeRootAndUpdate(page->bin, r.left, r.top, r.right - r.left, r.bottom - r.top);
}
static void tabResize(uiControl *c, intmax_t x, intmax_t y, intmax_t width, intmax_t height, uiSizing *d)
{
struct tab *t = (struct tab *) c;
(*(t->baseResize))(uiControl(t), x, y, width, height, d);
resizeTab(t, width, height);
}
static void tabEnable(uiControl *c)
{
struct tab *t = (struct tab *) c;
@ -148,51 +181,18 @@ static void tabSysFunc(uiControl *c, uiControlSysFuncParams *p)
}
}
// common code for resizes
static void resizeTab(struct tab *t, LONG width, LONG height)
{
LRESULT n;
RECT r;
struct tabPage *page;
n = SendMessageW(t->hwnd, TCM_GETCURSEL, 0, 0);
if (n == (LRESULT) (-1)) // no child selected; do nothing
return;
// make a rect at (0, 0) of the given window size
// this should give us the correct client coordinates
r.left = 0;
r.top = 0;
r.right = width;
r.bottom = height;
// convert to the display rectangle
SendMessageW(t->hwnd, TCM_ADJUSTRECT, FALSE, (LPARAM) (&r));
page = ptrArrayIndex(t->pages, struct tabPage *, n);
uiBinResizeRootAndUpdate(page->bin, r.left, r.top, r.right - r.left, r.bottom - r.top);
}
// and finally, because we have to resize parents, we have to handle resizes and updates
// this is where some resizing work is done
// TODO investigate removing it
// this is also partially where tab navigation is handled
static LRESULT CALLBACK tabSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR uIdSubclass, DWORD_PTR dwRefData)
{
struct tab *t = (struct tab *) dwRefData;
WINDOWPOS *wp = (WINDOWPOS *) lParam;
LRESULT lResult;
RECT r;
LRESULT n;
uiControlSysFuncParams p;
struct tabPage *page;
switch (uMsg) {
case WM_WINDOWPOSCHANGED:
if ((wp->flags & SWP_NOSIZE) != 0)
break;
// first, let the tab control handle it
lResult = (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
// we have the window rect width as part of the WINDOWPOS; resize
resizeTab(t, wp->cx, wp->cy);
return lResult;
case msgUpdateChild:
if (GetWindowRect(t->hwnd, &r) == 0)
logLastError("error getting Tab window rect for synthesized resize message in tabSubProc()");
@ -359,6 +359,8 @@ uiTab *uiNewTab(void)
logLastError("error subclassing Tab to give it its own resize handler in uiNewTab()");
uiControl(t)->PreferredSize = tabPreferredSize;
t->baseResize = uiControl(t)->Resize;
uiControl(t)->Resize = tabResize;
t->baseEnable = uiControl(t)->Enable;
uiControl(t)->Enable = tabEnable;
t->baseDisable = uiControl(t)->Disable;