mirror of https://github.com/encounter/SDL.git
Implement keyboard input on RISC OS
Partially based on a patch from http://www.riscos.info/websvn/listing.php?repname=gccsdk&path=%2Ftrunk%2Fautobuilder%2Flibraries%2Fsdl%2Flibsdl2%2F&rev=7174#a6401c766f408f1ea356e6977894cc6a5 Currently lacks support for mapping scancodes to keycodes.
This commit is contained in:
Cameron Cawley
Sam Lantinga
parent
f8a8ca3e1f
commit
f7f54f0d04
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@ -22,18 +22,118 @@
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#if SDL_VIDEO_DRIVER_RISCOS
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#if SDL_VIDEO_DRIVER_RISCOS
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/* Being a null driver, there's no event stream. We just define stubs for
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most of the API. */
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#include "../../events/SDL_events_c.h"
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#include "../../events/SDL_events_c.h"
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#include "SDL_log.h"
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#include "SDL_riscosvideo.h"
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#include "SDL_riscosvideo.h"
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#include "SDL_riscosevents_c.h"
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#include "SDL_riscosevents_c.h"
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#include "scancodes_riscos.h"
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#include <kernel.h>
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static SDL_Scancode
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SDL_RISCOS_translate_keycode(int keycode)
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{
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SDL_Scancode scancode = SDL_SCANCODE_UNKNOWN;
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if (keycode < SDL_arraysize(riscos_scancode_table)) {
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scancode = riscos_scancode_table[keycode];
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if (scancode == SDL_SCANCODE_UNKNOWN) {
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SDL_Log("The key you just pressed is not recognized by SDL: %d", keycode);
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}
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}
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return scancode;
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}
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void
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RISCOS_PollKeyboard(_THIS)
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{
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SDL_VideoData *driverdata = (SDL_VideoData *)_this->driverdata;
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Uint8 key = 2;
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int i;
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/* Check for key releases */
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for (i = 0; i < RISCOS_MAX_KEYS_PRESSED; i++) {
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if (driverdata->key_pressed[i] != 255) {
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if ((_kernel_osbyte(129, driverdata->key_pressed[i] ^ 0xff, 0xff) & 0xff) != 255) {
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SDL_SendKeyboardKey(SDL_RELEASED, SDL_RISCOS_translate_keycode(driverdata->key_pressed[i]));
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driverdata->key_pressed[i] = 255;
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}
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}
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}
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/* Check for key presses */
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while (key < 0xff) {
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SDL_bool already_pressed = SDL_FALSE;
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key = _kernel_osbyte(121, key + 1, 0) & 0xff;
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switch (key) {
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case 255:
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/* Ignore mouse keys */
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case 9:
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case 10:
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case 11:
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/* Ignore keys with multiple INKEY codes */
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case 24:
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case 40:
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case 71:
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case 87:
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break;
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default:
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/* Do we already know of this key? */
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for (i = 0; i < RISCOS_MAX_KEYS_PRESSED; i++) {
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if (driverdata->key_pressed[i] == key) {
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already_pressed = SDL_TRUE;
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break;
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}
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}
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if (!already_pressed) {
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SDL_SendKeyboardKey(SDL_PRESSED, SDL_RISCOS_translate_keycode(key));
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/* Record the press so we can detect release later. */
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for (i = 0; i < RISCOS_MAX_KEYS_PRESSED; i++) {
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if (driverdata->key_pressed[i] == 255) {
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driverdata->key_pressed[i] = key;
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break;
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}
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}
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}
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}
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}
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}
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int
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RISCOS_InitEvents(_THIS)
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{
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SDL_VideoData *driverdata = (SDL_VideoData *) _this->driverdata;
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int i, status;
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for (i = 0; i < RISCOS_MAX_KEYS_PRESSED; i++)
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driverdata->key_pressed[i] = 255;
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status = (_kernel_osbyte(202, 0, 255) & 0xFF);
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SDL_ToggleModState(KMOD_NUM, (status & (1 << 2)) == 0);
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SDL_ToggleModState(KMOD_CAPS, (status & (1 << 4)) == 0);
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/* Disable escape. */
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_kernel_osbyte(229, 1, 0);
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return 0;
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}
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void
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void
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RISCOS_PumpEvents(_THIS)
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RISCOS_PumpEvents(_THIS)
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{
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{
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/* do nothing. */
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RISCOS_PollKeyboard(_this);
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}
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void
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RISCOS_QuitEvents(_THIS)
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{
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/* Re-enable escape. */
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_kernel_osbyte(229, 0, 0);
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}
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}
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#endif /* SDL_VIDEO_DRIVER_RISCOS */
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#endif /* SDL_VIDEO_DRIVER_RISCOS */
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@ -26,7 +26,9 @@
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#include "SDL_riscosvideo.h"
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#include "SDL_riscosvideo.h"
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extern int RISCOS_InitEvents(_THIS);
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extern void RISCOS_PumpEvents(_THIS);
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extern void RISCOS_PumpEvents(_THIS);
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extern void RISCOS_QuitEvents(_THIS);
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#endif /* SDL_riscosevents_c_h_ */
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#endif /* SDL_riscosevents_c_h_ */
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@ -45,6 +45,7 @@ static void RISCOS_VideoQuit(_THIS);
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static void
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static void
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RISCOS_DeleteDevice(SDL_VideoDevice * device)
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RISCOS_DeleteDevice(SDL_VideoDevice * device)
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{
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{
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SDL_free(device->driverdata);
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SDL_free(device);
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SDL_free(device);
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}
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}
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@ -52,6 +53,7 @@ static SDL_VideoDevice *
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RISCOS_CreateDevice(int devindex)
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RISCOS_CreateDevice(int devindex)
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{
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{
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SDL_VideoDevice *device;
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SDL_VideoDevice *device;
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SDL_VideoData *phdata;
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/* Initialize all variables that we clean on shutdown */
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/* Initialize all variables that we clean on shutdown */
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device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
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device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
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@ -60,6 +62,16 @@ RISCOS_CreateDevice(int devindex)
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return (0);
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return (0);
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}
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}
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/* Initialize internal data */
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phdata = (SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));
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if (phdata == NULL) {
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SDL_OutOfMemory();
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SDL_free(device);
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return NULL;
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}
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device->driverdata = phdata;
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/* Set the function pointers */
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/* Set the function pointers */
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device->VideoInit = RISCOS_VideoInit;
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device->VideoInit = RISCOS_VideoInit;
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device->VideoQuit = RISCOS_VideoQuit;
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device->VideoQuit = RISCOS_VideoQuit;
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static int
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static int
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RISCOS_VideoInit(_THIS)
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RISCOS_VideoInit(_THIS)
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{
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{
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if (RISCOS_InitEvents(_this) < 0) {
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return -1;
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}
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if (RISCOS_InitModes(_this) < 0) {
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if (RISCOS_InitModes(_this) < 0) {
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return -1;
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return -1;
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}
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}
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static void
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static void
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RISCOS_VideoQuit(_THIS)
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RISCOS_VideoQuit(_THIS)
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{
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{
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RISCOS_QuitEvents(_this);
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}
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}
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#endif /* SDL_VIDEO_DRIVER_RISCOS */
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#endif /* SDL_VIDEO_DRIVER_RISCOS */
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@ -25,6 +25,13 @@
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#include "../SDL_sysvideo.h"
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#include "../SDL_sysvideo.h"
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#define RISCOS_MAX_KEYS_PRESSED 6
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typedef struct SDL_VideoData
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{
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Uint8 key_pressed[RISCOS_MAX_KEYS_PRESSED];
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} SDL_VideoData;
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#endif /* SDL_riscosvideo_h_ */
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#endif /* SDL_riscosvideo_h_ */
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/* vi: set ts=4 sw=4 expandtab: */
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/* vi: set ts=4 sw=4 expandtab: */
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@ -0,0 +1,158 @@
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/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_scancode.h"
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/* RISC OS key code to SDL_Keycode mapping table
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Sources:
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- https://www.riscosopen.org/wiki/documentation/show/Keyboard Scan Codes
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*/
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/* *INDENT-OFF* */
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static SDL_Scancode const riscos_scancode_table[] = {
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/* 0 */ SDL_SCANCODE_UNKNOWN, /* Shift */
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/* 1 */ SDL_SCANCODE_UNKNOWN, /* Ctrl */
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/* 2 */ SDL_SCANCODE_UNKNOWN, /* Alt */
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/* 3 */ SDL_SCANCODE_LSHIFT,
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/* 4 */ SDL_SCANCODE_LCTRL,
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/* 5 */ SDL_SCANCODE_LALT,
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/* 6 */ SDL_SCANCODE_RSHIFT,
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/* 7 */ SDL_SCANCODE_RCTRL,
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/* 8 */ SDL_SCANCODE_RALT,
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/* 9 */ SDL_SCANCODE_UNKNOWN, /* Left mouse */
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/* 10 */ SDL_SCANCODE_UNKNOWN, /* Center mouse */
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/* 11 */ SDL_SCANCODE_UNKNOWN, /* Right mouse */
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/* 12 */ SDL_SCANCODE_UNKNOWN,
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/* 13 */ SDL_SCANCODE_UNKNOWN,
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/* 14 */ SDL_SCANCODE_UNKNOWN,
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/* 15 */ SDL_SCANCODE_UNKNOWN,
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/* 16 */ SDL_SCANCODE_Q,
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/* 17 */ SDL_SCANCODE_3,
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/* 18 */ SDL_SCANCODE_4,
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/* 19 */ SDL_SCANCODE_5,
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/* 20 */ SDL_SCANCODE_F4,
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/* 21 */ SDL_SCANCODE_8,
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/* 22 */ SDL_SCANCODE_F7,
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/* 23 */ SDL_SCANCODE_MINUS,
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/* 24 */ SDL_SCANCODE_6, /* Duplicate of 52 */
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/* 25 */ SDL_SCANCODE_LEFT,
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/* 26 */ SDL_SCANCODE_KP_6,
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/* 27 */ SDL_SCANCODE_KP_7,
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/* 28 */ SDL_SCANCODE_F11,
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/* 29 */ SDL_SCANCODE_F12,
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/* 30 */ SDL_SCANCODE_F10,
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/* 31 */ SDL_SCANCODE_SCROLLLOCK,
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/* 32 */ SDL_SCANCODE_PRINTSCREEN,
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/* 33 */ SDL_SCANCODE_W,
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/* 34 */ SDL_SCANCODE_E,
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/* 35 */ SDL_SCANCODE_T,
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/* 36 */ SDL_SCANCODE_7,
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/* 37 */ SDL_SCANCODE_I,
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/* 38 */ SDL_SCANCODE_9,
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/* 39 */ SDL_SCANCODE_0,
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/* 40 */ SDL_SCANCODE_MINUS, /* Duplicate of 23 */
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/* 41 */ SDL_SCANCODE_DOWN,
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/* 42 */ SDL_SCANCODE_KP_8,
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/* 43 */ SDL_SCANCODE_KP_9,
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/* 44 */ SDL_SCANCODE_PAUSE,
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/* 45 */ SDL_SCANCODE_GRAVE,
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/* 46 */ SDL_SCANCODE_CURRENCYUNIT,
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/* 47 */ SDL_SCANCODE_BACKSPACE,
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/* 48 */ SDL_SCANCODE_1,
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/* 49 */ SDL_SCANCODE_2,
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/* 50 */ SDL_SCANCODE_D,
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/* 51 */ SDL_SCANCODE_R,
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/* 52 */ SDL_SCANCODE_6,
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/* 53 */ SDL_SCANCODE_U,
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/* 54 */ SDL_SCANCODE_O,
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/* 55 */ SDL_SCANCODE_P,
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/* 56 */ SDL_SCANCODE_LEFTBRACKET,
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/* 57 */ SDL_SCANCODE_UP,
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/* 58 */ SDL_SCANCODE_KP_PLUS,
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/* 59 */ SDL_SCANCODE_KP_MINUS,
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/* 60 */ SDL_SCANCODE_KP_ENTER,
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/* 61 */ SDL_SCANCODE_INSERT,
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/* 62 */ SDL_SCANCODE_HOME,
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/* 63 */ SDL_SCANCODE_PAGEUP,
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/* 64 */ SDL_SCANCODE_CAPSLOCK,
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/* 65 */ SDL_SCANCODE_A,
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/* 66 */ SDL_SCANCODE_X,
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/* 67 */ SDL_SCANCODE_F,
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/* 68 */ SDL_SCANCODE_Y,
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/* 69 */ SDL_SCANCODE_J,
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/* 70 */ SDL_SCANCODE_K,
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/* 71 */ SDL_SCANCODE_2, /* Duplicate of 49 */
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/* 72 */ SDL_SCANCODE_SEMICOLON, /* Duplicate of 87 */
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/* 73 */ SDL_SCANCODE_RETURN,
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/* 74 */ SDL_SCANCODE_KP_DIVIDE,
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/* 75 */ SDL_SCANCODE_UNKNOWN,
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/* 76 */ SDL_SCANCODE_KP_PERIOD,
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/* 77 */ SDL_SCANCODE_NUMLOCKCLEAR,
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/* 78 */ SDL_SCANCODE_PAGEDOWN,
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/* 79 */ SDL_SCANCODE_APOSTROPHE,
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/* 80 */ SDL_SCANCODE_UNKNOWN,
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/* 81 */ SDL_SCANCODE_S,
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/* 82 */ SDL_SCANCODE_C,
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/* 83 */ SDL_SCANCODE_G,
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/* 84 */ SDL_SCANCODE_H,
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/* 85 */ SDL_SCANCODE_N,
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/* 86 */ SDL_SCANCODE_L,
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/* 87 */ SDL_SCANCODE_SEMICOLON,
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/* 88 */ SDL_SCANCODE_RIGHTBRACKET,
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/* 89 */ SDL_SCANCODE_DELETE,
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/* 90 */ SDL_SCANCODE_KP_HASH,
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/* 91 */ SDL_SCANCODE_KP_MULTIPLY,
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/* 92 */ SDL_SCANCODE_UNKNOWN,
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/* 93 */ SDL_SCANCODE_EQUALS,
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/* 94 */ SDL_SCANCODE_NONUSBACKSLASH,
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/* 95 */ SDL_SCANCODE_UNKNOWN,
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/* 96 */ SDL_SCANCODE_TAB,
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/* 97 */ SDL_SCANCODE_Z,
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/* 98 */ SDL_SCANCODE_SPACE,
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/* 99 */ SDL_SCANCODE_V,
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/* 100 */ SDL_SCANCODE_B,
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/* 101 */ SDL_SCANCODE_M,
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/* 102 */ SDL_SCANCODE_COMMA,
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/* 103 */ SDL_SCANCODE_PERIOD,
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/* 104 */ SDL_SCANCODE_SLASH,
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/* 105 */ SDL_SCANCODE_END,
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/* 106 */ SDL_SCANCODE_KP_0,
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/* 107 */ SDL_SCANCODE_KP_1,
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/* 108 */ SDL_SCANCODE_KP_3,
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/* 109 */ SDL_SCANCODE_UNKNOWN,
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/* 110 */ SDL_SCANCODE_UNKNOWN,
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/* 111 */ SDL_SCANCODE_UNKNOWN,
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/* 112 */ SDL_SCANCODE_ESCAPE,
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/* 113 */ SDL_SCANCODE_F1,
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/* 114 */ SDL_SCANCODE_F2,
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/* 115 */ SDL_SCANCODE_F3,
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||||||
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/* 116 */ SDL_SCANCODE_F5,
|
||||||
|
/* 117 */ SDL_SCANCODE_F6,
|
||||||
|
/* 118 */ SDL_SCANCODE_F8,
|
||||||
|
/* 119 */ SDL_SCANCODE_F9,
|
||||||
|
/* 120 */ SDL_SCANCODE_BACKSLASH,
|
||||||
|
/* 121 */ SDL_SCANCODE_RIGHT,
|
||||||
|
/* 122 */ SDL_SCANCODE_KP_4,
|
||||||
|
/* 123 */ SDL_SCANCODE_KP_5,
|
||||||
|
/* 124 */ SDL_SCANCODE_KP_2,
|
||||||
|
/* 125 */ SDL_SCANCODE_LGUI,
|
||||||
|
/* 126 */ SDL_SCANCODE_RGUI,
|
||||||
|
/* 127 */ SDL_SCANCODE_MENU
|
||||||
|
};
|
||||||
|
/* *INDENT-ON* */
|
||||||
Loading…
Reference in New Issue