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libdgl/SRC/DGLKBRD.H

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various updates i've left uncommitted for many months - rename standard integer types to a more familiar (u)int(8/16/32) - many function/struct renames. i don't _really_ know if what i've done for this is better, but it "feels" better to me. many draw/blit function names are shorter which is nice, at least. kinda important to me because i develop this on a real DOS machine in 80x50 text mode. - add 'extern "C"' blocks to headers for C++ compiler usage - draw/pixel color value arguments for functions should all have been changed to be uint8 instead of a full 32-bit int. feels right, but maybe should've left alone... - small fix to keyboard handler. noticed a problem on one thinkpad laptop. was a result of what i think was a typo in a constant value used during the part of the interrupt handler that tells the keyboard controller the key event was processed - fix uncommon potential crash function return in draw_filled_rect - renamed low-level "direct" assembly functions to "lowlevel_xxx" to be a little bit more explicit about what they are - add some convenience event helper functions for determining event types - add fixed point atan2 - fixed some tabs/spaces inconsistences (should all be spaces now?) - maybe some other minor things i've forgotten
2020-07-19 19:24:48 -04:00
#ifndef LIBDGL_DGLKYBRD_H
#define LIBDGL_DGLKYBRD_H
initial commit
2017-11-26 13:18:33 -05:00
many updates. moved project over to watcom
2018-04-28 11:30:53 -04:00
#include "dglcmn.h"
#include "dglkeys.h"
initial commit
2017-11-26 13:18:33 -05:00
various updates i've left uncommitted for many months - rename standard integer types to a more familiar (u)int(8/16/32) - many function/struct renames. i don't _really_ know if what i've done for this is better, but it "feels" better to me. many draw/blit function names are shorter which is nice, at least. kinda important to me because i develop this on a real DOS machine in 80x50 text mode. - add 'extern "C"' blocks to headers for C++ compiler usage - draw/pixel color value arguments for functions should all have been changed to be uint8 instead of a full 32-bit int. feels right, but maybe should've left alone... - small fix to keyboard handler. noticed a problem on one thinkpad laptop. was a result of what i think was a typo in a constant value used during the part of the interrupt handler that tells the keyboard controller the key event was processed - fix uncommon potential crash function return in draw_filled_rect - renamed low-level "direct" assembly functions to "lowlevel_xxx" to be a little bit more explicit about what they are - add some convenience event helper functions for determining event types - add fixed point atan2 - fixed some tabs/spaces inconsistences (should all be spaces now?) - maybe some other minor things i've forgotten
2020-07-19 19:24:48 -04:00
#ifdef __cplusplus
extern "C" {
#endif
typedef uint8 KEY;
initial commit
2017-11-26 13:18:33 -05:00
expose keyboard flags/mods state publically. don't preserve old state since we're maintaining the keyboard flags/led state in the same way in our handler, there should be no need to restore the previous bios handler's flags/led state when returning
2018-05-27 11:15:06 -04:00
#define KEYBRD_FLAGS_SCROLLOCK 0x10
#define KEYBRD_FLAGS_NUMLOCK 0x20
#define KEYBRD_FLAGS_CAPSLOCK 0x40
#define KEYBRD_MOD_EXTENDED 0x1
#define KEYBRD_MOD_SHIFT 0x2
#define KEYBRD_MOD_NUMLOCK 0x4
#define KEYBRD_MOD_CAPSLOCK 0x8
various updates i've left uncommitted for many months - rename standard integer types to a more familiar (u)int(8/16/32) - many function/struct renames. i don't _really_ know if what i've done for this is better, but it "feels" better to me. many draw/blit function names are shorter which is nice, at least. kinda important to me because i develop this on a real DOS machine in 80x50 text mode. - add 'extern "C"' blocks to headers for C++ compiler usage - draw/pixel color value arguments for functions should all have been changed to be uint8 instead of a full 32-bit int. feels right, but maybe should've left alone... - small fix to keyboard handler. noticed a problem on one thinkpad laptop. was a result of what i think was a typo in a constant value used during the part of the interrupt handler that tells the keyboard controller the key event was processed - fix uncommon potential crash function return in draw_filled_rect - renamed low-level "direct" assembly functions to "lowlevel_xxx" to be a little bit more explicit about what they are - add some convenience event helper functions for determining event types - add fixed point atan2 - fixed some tabs/spaces inconsistences (should all be spaces now?) - maybe some other minor things i've forgotten
2020-07-19 19:24:48 -04:00
extern volatile uint8 keys[128];
extern volatile uint16 key_flags;
extern volatile uint16 key_mod;
initial commit
2017-11-26 13:18:33 -05:00
various updates i've left uncommitted for many months - rename standard integer types to a more familiar (u)int(8/16/32) - many function/struct renames. i don't _really_ know if what i've done for this is better, but it "feels" better to me. many draw/blit function names are shorter which is nice, at least. kinda important to me because i develop this on a real DOS machine in 80x50 text mode. - add 'extern "C"' blocks to headers for C++ compiler usage - draw/pixel color value arguments for functions should all have been changed to be uint8 instead of a full 32-bit int. feels right, but maybe should've left alone... - small fix to keyboard handler. noticed a problem on one thinkpad laptop. was a result of what i think was a typo in a constant value used during the part of the interrupt handler that tells the keyboard controller the key event was processed - fix uncommon potential crash function return in draw_filled_rect - renamed low-level "direct" assembly functions to "lowlevel_xxx" to be a little bit more explicit about what they are - add some convenience event helper functions for determining event types - add fixed point atan2 - fixed some tabs/spaces inconsistences (should all be spaces now?) - maybe some other minor things i've forgotten
2020-07-19 19:24:48 -04:00
bool keyboard_init(void);
bool keyboard_shutdown(void);
bool keyboard_is_initialized(void);
KEY keyboard_read_key(void);
initial commit
2017-11-26 13:18:33 -05:00
void keyboard_wait_for_key(KEY key);
various updates i've left uncommitted for many months - rename standard integer types to a more familiar (u)int(8/16/32) - many function/struct renames. i don't _really_ know if what i've done for this is better, but it "feels" better to me. many draw/blit function names are shorter which is nice, at least. kinda important to me because i develop this on a real DOS machine in 80x50 text mode. - add 'extern "C"' blocks to headers for C++ compiler usage - draw/pixel color value arguments for functions should all have been changed to be uint8 instead of a full 32-bit int. feels right, but maybe should've left alone... - small fix to keyboard handler. noticed a problem on one thinkpad laptop. was a result of what i think was a typo in a constant value used during the part of the interrupt handler that tells the keyboard controller the key event was processed - fix uncommon potential crash function return in draw_filled_rect - renamed low-level "direct" assembly functions to "lowlevel_xxx" to be a little bit more explicit about what they are - add some convenience event helper functions for determining event types - add fixed point atan2 - fixed some tabs/spaces inconsistences (should all be spaces now?) - maybe some other minor things i've forgotten
2020-07-19 19:24:48 -04:00
char key_to_char(KEY key, uint16 modifiers);
#ifdef __cplusplus
}
#endif
add key code to character translation helper function
2018-05-27 12:42:28 -04:00
initial commit
2017-11-26 13:18:33 -05:00
#endif
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