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Move our DialogBox wrapper into windows/utils.

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It's self-contained enough not to really need to live in dialog.c as a
set of static functions. Also, moving it means we can isolate the
implementation details - which also makes it easy to change them.

One such change is that I've added the ability to bake a context
pointer into the dialog - unused so far, but it will be shortly.

(Also, while I'm here, renamed the functions so they sound more as if
they're adding features than working around bugs - not to mention not
imputing mental illness to the usual versions.)
This commit is contained in:
Simon Tatham
2022-04-25 14:08:00 +01:00
parent c2f1a563a5
commit 69e8d471d1
4 changed files with 127 additions and 65 deletions
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72
windows/dialog.c
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@ -255,57 +255,6 @@ static INT_PTR CALLBACK AboutProc(HWND hwnd, UINT msg,
return 0;
}
static int SaneDialogBox(HINSTANCE hinst,
LPCTSTR tmpl,
HWND hwndparent,
DLGPROC lpDialogFunc)
{
WNDCLASS wc;
HWND hwnd;
MSG msg;
int flags;
int ret;
int gm;
wc.style = CS_DBLCLKS | CS_SAVEBITS | CS_BYTEALIGNWINDOW;
wc.lpfnWndProc = DefDlgProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = DLGWINDOWEXTRA + 2*sizeof(LONG_PTR);
wc.hInstance = hinst;
wc.hIcon = NULL;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH) (COLOR_BACKGROUND +1);
wc.lpszMenuName = NULL;
wc.lpszClassName = "PuTTYConfigBox";
RegisterClass(&wc);
hwnd = CreateDialog(hinst, tmpl, hwndparent, lpDialogFunc);
SetWindowLongPtr(hwnd, BOXFLAGS, 0); /* flags */
SetWindowLongPtr(hwnd, BOXRESULT, 0); /* result from SaneEndDialog */
while ((gm=GetMessage(&msg, NULL, 0, 0)) > 0) {
flags=GetWindowLongPtr(hwnd, BOXFLAGS);
if (!(flags & DF_END) && !IsDialogMessage(hwnd, &msg))
DispatchMessage(&msg);
if (flags & DF_END)
break;
}
if (gm == 0)
PostQuitMessage(msg.wParam); /* We got a WM_QUIT, pass it on */
ret=GetWindowLongPtr(hwnd, BOXRESULT);
DestroyWindow(hwnd);
return ret;
}
static void SaneEndDialog(HWND hwnd, int ret)
{
SetWindowLongPtr(hwnd, BOXRESULT, ret);
SetWindowLongPtr(hwnd, BOXFLAGS, DF_END);
}
/*
* Null dialog procedure.
*/
@ -395,8 +344,8 @@ const char *dialog_box_demo_screenshot_filename = NULL;
* (Being a dialog procedure, in general it returns 0 if the default
* dialog processing should be performed, and 1 if it should not.)
*/
static INT_PTR CALLBACK GenericMainDlgProc(HWND hwnd, UINT msg,
WPARAM wParam, LPARAM lParam)
static INT_PTR GenericMainDlgProc(HWND hwnd, UINT msg, WPARAM wParam,
LPARAM lParam, void *ctx)
{
const int DEMO_SCREENSHOT_TIMER_ID = 1230;
HWND hw, treeview;
@ -581,7 +530,7 @@ static INT_PTR CALLBACK GenericMainDlgProc(HWND hwnd, UINT msg,
if (err)
MessageBox(hwnd, err, "Demo screenshot failure",
MB_OK | MB_ICONERROR);
SaneEndDialog(hwnd, 0);
ShinyEndDialog(hwnd, 0);
}
return 0;
case WM_LBUTTONUP:
@ -591,7 +540,7 @@ static INT_PTR CALLBACK GenericMainDlgProc(HWND hwnd, UINT msg,
*/
ReleaseCapture();
if (dp.ended)
SaneEndDialog(hwnd, dp.endresult ? 1 : 0);
ShinyEndDialog(hwnd, dp.endresult ? 1 : 0);
break;
case WM_NOTIFY:
if (LOWORD(wParam) == IDCX_TREEVIEW &&
@ -657,7 +606,7 @@ static INT_PTR CALLBACK GenericMainDlgProc(HWND hwnd, UINT msg,
if (GetWindowLongPtr(hwnd, GWLP_USERDATA) == 1) {
ret = winctrl_handle_command(&dp, msg, wParam, lParam);
if (dp.ended && GetCapture() != hwnd)
SaneEndDialog(hwnd, dp.endresult ? 1 : 0);
ShinyEndDialog(hwnd, dp.endresult ? 1 : 0);
} else
ret = 0;
return ret;
@ -668,7 +617,7 @@ static INT_PTR CALLBACK GenericMainDlgProc(HWND hwnd, UINT msg,
break;
case WM_CLOSE:
quit_help(hwnd);
SaneEndDialog(hwnd, 0);
ShinyEndDialog(hwnd, 0);
return 0;
/* Grrr Explorer will maximize Dialogs! */
@ -729,9 +678,8 @@ bool do_config(Conf *conf)
dlg_auto_set_fixed_pitch_flag(&dp);
dp.shortcuts['g'] = true; /* the treeview: `Cate&gory' */
ret =
SaneDialogBox(hinst, MAKEINTRESOURCE(IDD_MAINBOX), NULL,
GenericMainDlgProc);
ret = ShinyDialogBox(hinst, MAKEINTRESOURCE(IDD_MAINBOX), "PuTTYConfigBox",
NULL, GenericMainDlgProc, NULL);
ctrl_free_box(ctrlbox);
winctrl_cleanup(&ctrls_panel);
@ -764,8 +712,8 @@ bool do_reconfig(HWND hwnd, Conf *conf, int protcfginfo)
dlg_auto_set_fixed_pitch_flag(&dp);
dp.shortcuts['g'] = true; /* the treeview: `Cate&gory' */
ret = SaneDialogBox(hinst, MAKEINTRESOURCE(IDD_MAINBOX), NULL,
GenericMainDlgProc);
ret = ShinyDialogBox(hinst, MAKEINTRESOURCE(IDD_MAINBOX), "PuTTYConfigBox",
NULL, GenericMainDlgProc, NULL);
ctrl_free_box(ctrlbox);
winctrl_cleanup(&ctrls_base);