mirror of
https://github.com/VARCem/PDCurses.git
synced 2026-09-24 15:55:14 +00:00
Rearrangement; comments.
This commit is contained in:
William McBrine
212
win32/pdckbd.c
212
win32/pdckbd.c
@@ -13,7 +13,7 @@
|
||||
|
||||
#include "pdcwin.h"
|
||||
|
||||
RCSID("$Id: pdckbd.c,v 1.95 2006/11/25 06:06:15 wmcbrine Exp $");
|
||||
RCSID("$Id: pdckbd.c,v 1.96 2006/11/25 17:18:27 wmcbrine Exp $");
|
||||
|
||||
unsigned long pdc_key_modifiers = 0L;
|
||||
|
||||
@@ -257,8 +257,6 @@ void PDC_set_keyboard_binary(bool on)
|
||||
PDC_LOG(("PDC_set_keyboard_binary() - called\n"));
|
||||
}
|
||||
|
||||
static int _get_key_count(void);
|
||||
|
||||
/*man-start**************************************************************
|
||||
|
||||
PDC_check_bios_key() - Check BIOS key data area for input
|
||||
@@ -289,9 +287,100 @@ bool PDC_check_bios_key(void)
|
||||
return (event_count != 0);
|
||||
}
|
||||
|
||||
/* _process_key_event returns -1 if the key in save_ip should be
|
||||
ignored. Otherwise the keycode is returned which should be returned
|
||||
by PDC_get_bios_key. save_ip must be a key event.
|
||||
/* _get_key_count returns 0 if save_ip doesn't contain an event which
|
||||
should be passed back to the user. This function filters "useless"
|
||||
events.
|
||||
|
||||
The function returns the number of keys waiting. This may be > 1
|
||||
if the repetition of real keys pressed so far are > 1.
|
||||
|
||||
Returns 0 on NUMLOCK, CAPSLOCK, SCROLLLOCK.
|
||||
|
||||
Returns 1 for SHIFT, ALT, CTRL only if no other key has been pressed
|
||||
in between, and SP->return_key_modifiers is set; these are returned
|
||||
on keyup.
|
||||
|
||||
Normal keys are returned on keydown only. The number of repetitions
|
||||
are returned. Dead keys (diacritics) are omitted. See below for a
|
||||
description.
|
||||
*/
|
||||
|
||||
static int _get_key_count(void)
|
||||
{
|
||||
int num_keys = 0, vk;
|
||||
|
||||
PDC_LOG(("_get_key_count() - called\n"));
|
||||
|
||||
vk = KEV.wVirtualKeyCode;
|
||||
|
||||
if (KEV.bKeyDown)
|
||||
{
|
||||
/* key down */
|
||||
|
||||
save_press = 0;
|
||||
|
||||
if (vk == VK_CAPITAL || vk == VK_NUMLOCK || vk == VK_SCROLL)
|
||||
{
|
||||
/* throw away these modifiers */
|
||||
}
|
||||
else if (vk == VK_SHIFT || vk == VK_CONTROL || vk == VK_MENU)
|
||||
{
|
||||
/* These keys are returned on keyup only. */
|
||||
|
||||
save_press = vk;
|
||||
switch (vk)
|
||||
{
|
||||
case VK_SHIFT:
|
||||
left_key = GetKeyState(VK_LSHIFT);
|
||||
break;
|
||||
case VK_CONTROL:
|
||||
left_key = GetKeyState(VK_LCONTROL);
|
||||
break;
|
||||
case VK_MENU:
|
||||
left_key = GetKeyState(VK_LMENU);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Check for diacritics. These are dead keys.
|
||||
Some locale have modified characters like
|
||||
umlaut-a, which is an "a" with two dots on
|
||||
it. In some locales you have to press a
|
||||
special key (the dead key) immediately
|
||||
followed by the "a" to get a composed
|
||||
umlaut-a. The special key may have a normal
|
||||
meaning with different modifiers. */
|
||||
|
||||
if (KEV.uChar.UnicodeChar ||
|
||||
!(MapVirtualKey(vk, 2) & 0x80000000))
|
||||
num_keys = KEV.wRepeatCount;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* key up */
|
||||
|
||||
/* Only modifier keys or the results of ALT-numpad entry
|
||||
are returned on keyup */
|
||||
|
||||
if ((vk == VK_MENU && KEV.uChar.UnicodeChar) ||
|
||||
((vk == VK_SHIFT || vk == VK_CONTROL || vk == VK_MENU) &&
|
||||
vk == save_press))
|
||||
{
|
||||
save_press = 0;
|
||||
num_keys = 1;
|
||||
}
|
||||
}
|
||||
|
||||
PDC_LOG(("_get_key_count() - returning: num_keys %d "
|
||||
"type %d\n", num_keys, ip->EventType));
|
||||
|
||||
return num_keys;
|
||||
}
|
||||
|
||||
/* _process_key_event returns -1 if the key in save_ip should be
|
||||
ignored. Otherwise it returns the keycode which should be returned
|
||||
by PDC_get_bios_key(). save_ip must be a key event.
|
||||
|
||||
CTRL-ALT support has been disabled, when is it emitted plainly? */
|
||||
|
||||
@@ -350,21 +439,21 @@ static int _process_key_event(void)
|
||||
}
|
||||
}
|
||||
|
||||
/* The system may emit Ascii or Unicode characters depending on
|
||||
/* The system may emit Ascii or Unicode characters depending on
|
||||
whether ReadConsoleInputA or ReadConsoleInputW is used.
|
||||
|
||||
Normally, if ascii != 0 then the system did the translation
|
||||
successfully. But this is not true for LEFT_ALT (different to
|
||||
RIGHT_ALT). In case of LEFT_ALT we can get ascii != 0. So
|
||||
Normally, if ascii != 0 then the system did the translation
|
||||
successfully. But this is not true for LEFT_ALT (different to
|
||||
RIGHT_ALT). In case of LEFT_ALT we can get ascii != 0. So
|
||||
check for this first. */
|
||||
|
||||
if (ascii && ( !(state & LEFT_ALT_PRESSED) ||
|
||||
(state & RIGHT_ALT_PRESSED) ))
|
||||
{
|
||||
/* This code should catch all keys returning a printable
|
||||
character. Characters above 0x7F should be returned
|
||||
as positive codes. But if'ndef NUMKEYPAD we have to
|
||||
return extended keycodes for keypad codes. Test for
|
||||
/* This code should catch all keys returning a printable
|
||||
character. Characters above 0x7F should be returned
|
||||
as positive codes. But if'ndef NUMKEYPAD we have to
|
||||
return extended keycodes for keypad codes. Test for
|
||||
it and don't return an ascii code in case. */
|
||||
|
||||
#ifndef NUMKEYPAD
|
||||
@@ -435,7 +524,7 @@ static int _process_mouse_event(void)
|
||||
|
||||
if (action == BUTTON_PRESSED && MEV.dwButtonState & 7)
|
||||
{
|
||||
/* Check for a click -- a PRESS followed immediately by
|
||||
/* Check for a click -- a PRESS followed immediately by
|
||||
a release */
|
||||
|
||||
if (!event_count)
|
||||
@@ -652,97 +741,6 @@ int PDC_set_ctrl_break(bool setting)
|
||||
return OK;
|
||||
}
|
||||
|
||||
/* _get_key_count returns 0 if *ip doesn't contain an event which
|
||||
should be passed back to the user. This function filters "useless"
|
||||
events.
|
||||
|
||||
The function returns the number of events waiting. This may be > 1
|
||||
if the repeation of real keys pressed so far are > 1.
|
||||
|
||||
Returns 0 on NUMLOCK, CAPSLOCK, SCROLLLOCK.
|
||||
|
||||
Returns 1 for SHIFT, ALT, CTRL only if no other key has been pressed
|
||||
in between, and SP->return_key_modifiers is set; these are returned
|
||||
on keyup.
|
||||
|
||||
Normal keys are returned on keydown only. The number of repetitions
|
||||
are returned. Dead keys (diacritics) are omitted. See below for a
|
||||
description.
|
||||
*/
|
||||
|
||||
static int _get_key_count(void)
|
||||
{
|
||||
int num_keys = 0, vk;
|
||||
|
||||
PDC_LOG(("_get_key_count() - called\n"));
|
||||
|
||||
vk = KEV.wVirtualKeyCode;
|
||||
|
||||
if (KEV.bKeyDown)
|
||||
{
|
||||
/* key down */
|
||||
|
||||
save_press = 0;
|
||||
|
||||
if (vk == VK_CAPITAL || vk == VK_NUMLOCK || vk == VK_SCROLL)
|
||||
{
|
||||
/* throw away these modifiers */
|
||||
}
|
||||
else if (vk == VK_SHIFT || vk == VK_CONTROL || vk == VK_MENU)
|
||||
{
|
||||
/* These keys are returned on keyup only. */
|
||||
|
||||
save_press = vk;
|
||||
switch (vk)
|
||||
{
|
||||
case VK_SHIFT:
|
||||
left_key = GetKeyState(VK_LSHIFT);
|
||||
break;
|
||||
case VK_CONTROL:
|
||||
left_key = GetKeyState(VK_LCONTROL);
|
||||
break;
|
||||
case VK_MENU:
|
||||
left_key = GetKeyState(VK_LMENU);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Check for diacritics. These are dead keys.
|
||||
Some locale have modified characters like
|
||||
umlaut-a, which is an "a" with two dots on
|
||||
it. In some locales you have to press a
|
||||
special key (the dead key) immediately
|
||||
followed by the "a" to get a composed
|
||||
umlaut-a. The special key may have a normal
|
||||
meaning with different modifiers. */
|
||||
|
||||
if (KEV.uChar.UnicodeChar ||
|
||||
!(MapVirtualKey(vk, 2) & 0x80000000))
|
||||
num_keys = KEV.wRepeatCount;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* key up */
|
||||
|
||||
/* Only modifier keys or the results of ALT-numpad entry
|
||||
are returned on keyup */
|
||||
|
||||
if ((vk == VK_MENU && KEV.uChar.UnicodeChar) ||
|
||||
((vk == VK_SHIFT || vk == VK_CONTROL || vk == VK_MENU) &&
|
||||
vk == save_press))
|
||||
{
|
||||
save_press = 0;
|
||||
num_keys = 1;
|
||||
}
|
||||
}
|
||||
|
||||
PDC_LOG(("_get_key_count() - returning: num_keys %d "
|
||||
"type %d\n", num_keys, ip->EventType));
|
||||
|
||||
return num_keys;
|
||||
}
|
||||
|
||||
/*man-start**************************************************************
|
||||
|
||||
PDC_flushinp() - Low-level input flush
|
||||
@@ -767,7 +765,7 @@ void PDC_flushinp(void)
|
||||
|
||||
int PDC_mouse_set(void)
|
||||
{
|
||||
SetConsoleMode(pdc_con_in, (SP->_trap_mbe ? ENABLE_MOUSE_INPUT : 0));
|
||||
SetConsoleMode(pdc_con_in, SP->_trap_mbe ? ENABLE_MOUSE_INPUT : 0);
|
||||
memset(&old_mouse_status, 0, sizeof(old_mouse_status));
|
||||
|
||||
return OK;
|
||||
|
||||
Reference in New Issue
Block a user