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Reimplemented uiTab tab stop handling.

This commit is contained in:
Pietro Gagliardi 2015-06-01 22:00:50 -04:00
parent b109ab4bb9
commit ae54ff0141
2 changed files with 27 additions and 109 deletions
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109
redo/windows/OLDtab.c
View File

@ -1,16 +1,6 @@
// 12 april 2015
#include "uipriv_windows.h"
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 *);
};
// from http://msdn.microsoft.com/en-us/library/windows/desktop/bb226818%28v=vs.85%29.aspx
#define tabMargin 7
@ -42,102 +32,3 @@ static void tabPreferredSize(uiControl *c, uiSizing *d, intmax_t *width, intmax_
*width = r.right - r.left;
*height = r.bottom - r.top;
}
static void tabSysFunc(uiControl *c, uiControlSysFuncParams *p)
{
struct tab *t = (struct tab *) c;
struct tabPage *page;
uintmax_t i;
// we handle tab stops specially
if (p->Func == uiWindowsSysFuncHasTabStops) {
// if disabled, not a tab stop
if (IsWindowEnabled(t->hwnd) != 0)
// if there are no tabs, it is not a tab stop
if (t->pages->len != 0)
p->HasTabStops = TRUE;
return;
}
// otherwise distribute it throughout all pages
(*(t->baseSysFunc))(uiControl(t), p);
for (i = 0; i < t->pages->len; i++) {
page = ptrArrayIndex(t->pages, struct tabPage *, i);
uiControlSysFunc(page->control, p);
}
}
// 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;
RECT r;
LRESULT n;
uiControlSysFuncParams p;
struct tabPage *page;
switch (uMsg) {
case msgHasTabStops:
n = SendMessageW(t->hwnd, TCM_GETCURSEL, 0, 0);
if (n == (LRESULT) (-1)) // no current selection == no tab stops
return FALSE;
p.Func = uiWindowsSysFuncHasTabStops;
p.HasTabStops = FALSE;
page = ptrArrayIndex(t->pages, struct tabPage *, n);
uiControlSysFunc(page->control, &p);
return p.HasTabStops;
case WM_NCDESTROY:
if (RemoveWindowSubclass(hwnd, tabSubProc, uIdSubclass) == FALSE)
logLastError("error removing Tab resize handling subclass in tabSubProc()");
break;
}
return DefSubclassProc(hwnd, uMsg, wParam, lParam);
}
uiTab *uiNewTab(void)
{
struct tab *t;
uiWindowsMakeControlParams p;
t = uiNew(struct tab);
uiTyped(t)->Type = uiTypeTab();
p.dwExStyle = 0; // don't set WS_EX_CONTROLPARENT yet; we do that dynamically in the message loop (see main_windows.c)
p.lpClassName = WC_TABCONTROLW;
p.lpWindowName = L"";
p.dwStyle = TCS_TOOLTIPS | WS_TABSTOP; // start with this; we will alternate between this and WS_EX_CONTROLPARENT as needed (see main.c and msgHasTabStops above and the toggling functions below)
p.hInstance = hInstance;
p.lpParam = NULL;
p.useStandardControlFont = TRUE;
p.onWM_COMMAND = onWM_COMMAND;
p.onWM_NOTIFY = onWM_NOTIFY;
p.onDestroy = onDestroy;
p.onDestroyData = t;
uiWindowsMakeControl(uiControl(t), &p);
t->hwnd = (HWND) uiControlHandle(uiControl(t));
t->pages = newPtrArray();
if (SetWindowSubclass(t->hwnd, tabSubProc, 0, (DWORD_PTR) t) == FALSE)
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;
uiControl(t)->ComputeChildSize = tabComputeChildSize;
t->baseEnable = uiControl(t)->Enable;
uiControl(t)->Enable = tabEnable;
t->baseDisable = uiControl(t)->Disable;
uiControl(t)->Disable = tabDisable;
// TODO ContainerEnable/ContainerDisable
t->baseSysFunc = uiControl(t)->SysFunc;
uiControl(t)->SysFunc = tabSysFunc;
uiTab(t)->Append = tabAppend;
uiTab(t)->InsertAt = tabInsertAt;
uiTab(t)->Delete = tabDelete;
uiTab(t)->NumPages = tabNumPages;
uiTab(t)->Margined = tabMargined;
uiTab(t)->SetMargined = tabSetMargined;
return uiTab(t);
}

27
redo/windows/tab.c
View File

@ -233,6 +233,30 @@ static void tabSetMargined(uiTab *tt, uintmax_t n, int margined)
uiControlQueueResize(page);
}
// this handles tab navigation; see main.c for details
static LRESULT CALLBACK tabSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR uIdSubclass, DWORD_PTR dwRefData)
{
struct tab *t = (struct tab *) dwRefData;
LRESULT n;
uiControl *page;
switch (uMsg) {
case msgHasTabStops:
n = SendMessageW(t->hwnd, TCM_GETCURSEL, 0, 0);
if (n == (LRESULT) (-1)) // no current selection == no tab stops
return FALSE;
page = ptrArrayIndex(t->pages, uiControl *, n);
if (uiControlHasTabStops(page))
return TRUE;
return FALSE;
case WM_NCDESTROY:
if (RemoveWindowSubclass(hwnd, tabSubProc, uIdSubclass) == FALSE)
logLastError("error removing Tab resize handling subclass in tabSubProc()");
break;
}
return DefSubclassProc(hwnd, uMsg, wParam, lParam);
}
uiTab *uiNewTab(void)
{
struct tab *t;
@ -248,6 +272,9 @@ uiTab *uiNewTab(void)
uiWindowsRegisterWM_NOTIFYHandler(t->hwnd, onWM_NOTIFY, uiControl(t));
if (SetWindowSubclass(t->hwnd, tabSubProc, 0, (DWORD_PTR) t) == FALSE)
logLastError("error subclassing Tab to assist in tab stop handling in uiNewTab()");
t->pages = newPtrArray();
uiControl(t)->Handle = tabHandle;