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mirror of https://git.tartarus.org/simon/putty.git synced 2025-03-22 06:38:37 -05:00

Robert de Bath's `Patch.a_alt_key': clean up the handling of

Alt-Space, Alt-only and the System menu. It lets Windows do more of
the work, and also saves a static variable, so it must be good :-)

[originally from svn r1237]
This commit is contained in:
Simon Tatham 2001-09-07 21:39:03 +00:00
parent 8e58b47df2
commit f1c2f2fcf0

View File

@ -1493,6 +1493,17 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
case IDM_ABOUT: case IDM_ABOUT:
showabout(hwnd); showabout(hwnd);
break; break;
case SC_KEYMENU:
/*
* We get this if the System menu has been activated.
* This might happen from within TranslateKey, in which
* case it really wants to be followed by a `space'
* character to actually _bring the menu up_ rather
* than just sitting there in `ready to appear' state.
*/
if( lParam == 0 )
PostMessage(hwnd, WM_CHAR, ' ', 0);
break;
default: default:
if (wParam >= IDM_SAVED_MIN && wParam <= IDM_SAVED_MAX) { if (wParam >= IDM_SAVED_MIN && wParam <= IDM_SAVED_MAX) {
SendMessage(hwnd, WM_SYSCOMMAND, IDM_SAVEDSESS, wParam); SendMessage(hwnd, WM_SYSCOMMAND, IDM_SAVEDSESS, wParam);
@ -2294,7 +2305,6 @@ static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
int scan, left_alt = 0, key_down, shift_state; int scan, left_alt = 0, key_down, shift_state;
int r, i, code; int r, i, code;
unsigned char *p = output; unsigned char *p = output;
static int alt_state = 0;
static int alt_sum = 0; static int alt_sum = 0;
HKL kbd_layout = GetKeyboardLayout(0); HKL kbd_layout = GetKeyboardLayout(0);
@ -2535,8 +2545,6 @@ static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
return -1; return -1;
} }
if (left_alt && wParam == VK_SPACE && cfg.alt_space) { if (left_alt && wParam == VK_SPACE && cfg.alt_space) {
alt_state = 0;
PostMessage(hwnd, WM_CHAR, ' ', 0);
SendMessage(hwnd, WM_SYSCOMMAND, SC_KEYMENU, 0); SendMessage(hwnd, WM_SYSCOMMAND, SC_KEYMENU, 0);
return -1; return -1;
} }
@ -2796,6 +2804,8 @@ static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
case VK_F20: case VK_F20:
code = 34; code = 34;
break; break;
}
if ((shift_state&2) == 0) switch (wParam) {
case VK_HOME: case VK_HOME:
code = 1; code = 1;
break; break;
@ -3044,19 +3054,15 @@ static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
keys[0] = 10; keys[0] = 10;
} }
/* ALT alone may or may not want to bring up the System menu */ /*
if (wParam == VK_MENU) { * ALT alone may or may not want to bring up the System menu.
if (cfg.alt_only) { * If it's not meant to, we return 0 on presses or releases of
if (message == WM_SYSKEYDOWN) * ALT, to show that we've swallowed the keystroke. Otherwise
alt_state = 1; * we return -1, which means Windows will give the keystroke
else if (message == WM_SYSKEYUP && alt_state) * its default handling (i.e. bring up the System menu).
PostMessage(hwnd, WM_CHAR, ' ', 0); */
if (message == WM_SYSKEYUP) if (wParam == VK_MENU && !cfg.alt_only)
alt_state = 0;
} else
return 0; return 0;
} else
alt_state = 0;
return -1; return -1;
} }