Scancode and Character handling for Windows and Linux

CNFG.h

@@ -137,6 +137,10 @@ int HandleDestroy(); // Return nonzero if you want to cancel destroy.
 void HandleWindowTermination();
 #endif
 
+// Only implemented in Windows and X11 drivers
+void HandleScancode( int scancode, int bDown );
+void HandleChar( int character );
+
 //Internal function for resizing rasterizer for rasterizer-mode.
 void CNFGInternalResize( short x, short y ); //don't call this.
 

CNFGWinDriver.c

@@ -342,9 +342,12 @@ int CNFGHandleInput()
 		case WM_MBUTTONUP:		HandleButton( (msg.lParam & 0xFFFF), (msg.lParam>>16) & 0xFFFF, 3, 0 ); break;
 		case WM_KEYDOWN:
 		case WM_KEYUP:
+			HandleScancode( (msg.lParam >> 16) & 0xFF, msg.message==WM_KEYDOWN);
+
 			if (msg.lParam & 0x01000000) HandleKey( (int) msg.wParam + 0x7C , (msg.message==WM_KEYDOWN) );
 			else HandleKey( (int) msg.wParam, (msg.message==WM_KEYDOWN) );
 			break;
+		case WM_CHAR: HandleChar( (int) msg.wParam ); break;
 		case WM_MOUSEWHEEL:
 		{
 			POINT p = { 0 };

CNFGXDriver.c

@@ -99,6 +99,9 @@ void CNFGGLXSetup( )
 int CNFGX11ForceNoDecoration;
 XImage *xi;
 
+XIM CNFGXIM = NULL;
+XIC CNFGXIC = NULL;
+
 int g_x_global_key_state;
 int g_x_global_shift_key;
 
@@ -221,6 +224,9 @@ static void InternalLinkScreenAndGo( const char * WindowName )
 	if( !CNFGWindowInvisible )
 		XMapWindow(CNFGDisplay, CNFGWindow);
 
+	CNFGXIM = XOpenIM(CNFGDisplay, NULL, wm_res_name, wm_res_class);
+	CNFGXIC = XCreateIC(CNFGXIM, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, NULL);
+
 #ifdef CNFG_HAS_XSHAPE
 	if( prepare_xshape )
 	{
@@ -327,6 +333,9 @@ void CNFGTearDown()
 	if ( CNFGGC ) XFreeGC( CNFGDisplay, CNFGGC );
 	if ( CNFGWindowGC ) XFreeGC( CNFGDisplay, CNFGWindowGC );
 	if ( CNFGDisplay ) XCloseDisplay( CNFGDisplay );
+	if ( CNFGXIC ) XDestroyIC( CNFGXIC );
+	if ( CNFGXIM ) XCloseIM( CNFGXIM );
+
 #ifdef CNFGOGL
 	if ( CNFGGLXFBConfigs ) XFree( CNFGGLXFBConfigs );
 	CNFGGLXFBConfigs = NULL;
@@ -435,7 +444,18 @@ int CNFGHandleInput()
 		case KeyPress:
 			g_x_global_key_state = report.xkey.state;
 			g_x_global_shift_key = XLookupKeysym(&report.xkey, 1);
-			HandleKey( XLookupKeysym(&report.xkey, 0), bKeyDirection );
+
+			KeySym sym = XLookupKeysym(&report.xkey, 0);
+			HandleKey( sym, bKeyDirection );
+
+			HandleScancode( report.xkey.keycode, bKeyDirection );
+
+			// Chars should ONLY be handled on Key Press
+			if (report.type == KeyPress) { 
+				char buf[8] = {0};
+				if (Xutf8LookupString(CNFGXIC, &report.xkey, buf, 8, NULL, NULL)) HandleChar( *((int*)buf) );
+			}
+
 			break;
 		case ButtonRelease:
 			bKeyDirection = 0;

README.md

@@ -99,6 +99,8 @@ is as follows:
 #include "rawdraw_sf.h"
 
 void HandleKey( int keycode, int bDown ) { }
+void HandleScancode( int scancode, int bDown ) { }
+void HandleChar( int character ) { }
 void HandleButton( int x, int y, int button, int bDown ) { }
 void HandleMotion( int x, int y, int mask ) { }
 int HandleDestroy() { return 0; }

ogltest.c

@@ -9,6 +9,16 @@ void HandleKey( int keycode, int bDown )
 	printf( "Key: %d %d\n", keycode, bDown );
 }
 
+void HandleScancode( int scancode, int bDown )
+{
+	printf( "Scancode: %d -> %d\n", scancode, bDown );
+}
+
+void HandleChar( int character )
+{
+	printf( "Char: %c\n", character );
+}
+
 void HandleButton( int x, int y, int button, int bDown )
 {
 }

osdtest.c

@@ -15,6 +15,16 @@ void HandleKey( int keycode, int bDown )
 	printf( "Key: %d -> %d\n", keycode, bDown );
 }
 
+void HandleScancode( int scancode, int bDown )
+{
+	printf( "Scancode: %d -> %d\n", scancode, bDown );
+}
+
+void HandleChar( int character )
+{
+	printf( "Char: %c\n", character );
+}
+
 void HandleButton( int x, int y, int button, int bDown )
 {
 	printf( "Button: %d,%d (%d) -> %d\n", x, y, button, bDown );

rawdraw.c

@@ -7,7 +7,7 @@
 
 #define CNFG3D
 #define CNFG_IMPLEMENTATION
-#define CNFGOGL
+//#define CNFGOGL
 //#define CNFGRASTERIZER
 //#define CNFG_WINDOWS_DISABLE_BATCH
 
@@ -22,6 +22,16 @@ void HandleKey( int keycode, int bDown )
 	printf( "Key: %d -> %d\n", keycode, bDown );
 }
 
+void HandleScancode( int scancode, int bDown )
+{
+	printf( "Scancode: %d -> %d\n", scancode, bDown );
+}
+
+void HandleChar( int character )
+{
+	printf( "Char: %c\n", character );
+}
+
 void HandleButton( int x, int y, int button, int bDown )
 {
 	printf( "Button: %d,%d (%d) -> %d\n", x, y, button, bDown );

rawdraw_sf.h

@@ -1,5 +1,5 @@
 //This file was automatically generated by Makefile at https://github.com/cntools/rawdraw
-//Generated from files git hash ba4b30ccfa84456792ff70a812e1662ea3f09f88 on Fri Sep  8 21:14:25 UTC 2023 (This is not the git hash of this file)
+//Generated from files git hash fea0c14c8007a2e30f6109719f8c27a636b32116 on Sat Apr 13 06:23:49 PM EDT 2024 (This is not the git hash of this file)
 // Copyright 2010-2021 <>< CNLohr, et. al. (Several other authors, many but not all mentioned)
 //	Licensed under the MIT/x11 or NewBSD License you choose.
 //
@@ -139,6 +139,10 @@ int HandleDestroy(); // Return nonzero if you want to cancel destroy.
 void HandleWindowTermination();
 #endif
 
+// Only implemented in Windows and X11 drivers
+void HandleScancode( int scancode, int bDown );
+void HandleChar( int character );
+
 //Internal function for resizing rasterizer for rasterizer-mode.
 void CNFGInternalResize( short x, short y ); //don't call this.
 
@@ -3830,9 +3834,12 @@ int CNFGHandleInput()
 		case WM_MBUTTONUP:		HandleButton( (msg.lParam & 0xFFFF), (msg.lParam>>16) & 0xFFFF, 3, 0 ); break;
 		case WM_KEYDOWN:
 		case WM_KEYUP:
+			HandleScancode( (msg.lParam >> 16) & 0xFF, msg.message==WM_KEYDOWN);
+
 			if (msg.lParam & 0x01000000) HandleKey( (int) msg.wParam + 0x7C , (msg.message==WM_KEYDOWN) );
 			else HandleKey( (int) msg.wParam, (msg.message==WM_KEYDOWN) );
 			break;
+		case WM_CHAR: HandleChar( (int) msg.wParam ); break;
 		case WM_MOUSEWHEEL:
 		{
 			POINT p = { 0 };
@@ -5406,6 +5413,9 @@ void CNFGGLXSetup( )
 int CNFGX11ForceNoDecoration;
 XImage *xi;
 
+XIM CNFGXIM = NULL;
+XIC CNFGXIC = NULL;
+
 int g_x_global_key_state;
 int g_x_global_shift_key;
 
@@ -5528,6 +5538,9 @@ static void InternalLinkScreenAndGo( const char * WindowName )
 	if( !CNFGWindowInvisible )
 		XMapWindow(CNFGDisplay, CNFGWindow);
 
+	CNFGXIM = XOpenIM(CNFGDisplay, NULL, wm_res_name, wm_res_class);
+	CNFGXIC = XCreateIC(CNFGXIM, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, NULL);
+
 #ifdef CNFG_HAS_XSHAPE
 	if( prepare_xshape )
 	{
@@ -5634,10 +5647,14 @@ void CNFGTearDown()
 	if ( CNFGGC ) XFreeGC( CNFGDisplay, CNFGGC );
 	if ( CNFGWindowGC ) XFreeGC( CNFGDisplay, CNFGWindowGC );
 	if ( CNFGDisplay ) XCloseDisplay( CNFGDisplay );
+	if ( CNFGXIC ) XDestroyIC( CNFGXIC );
+	if ( CNFGXIM ) XCloseIM( CNFGXIM );
+
 #ifdef CNFGOGL
 	if ( CNFGGLXFBConfigs ) XFree( CNFGGLXFBConfigs );
 	CNFGGLXFBConfigs = NULL;
 #endif
+
 	CNFGDisplay = NULL;
 	CNFGWindowGC = CNFGGC = NULL;
 	CNFGClassHint = NULL;
@@ -5742,7 +5759,18 @@ int CNFGHandleInput()
 		case KeyPress:
 			g_x_global_key_state = report.xkey.state;
 			g_x_global_shift_key = XLookupKeysym(&report.xkey, 1);
-			HandleKey( XLookupKeysym(&report.xkey, 0), bKeyDirection );
+
+			KeySym sym = XLookupKeysym(&report.xkey, 0);
+			HandleKey( sym, bKeyDirection );
+
+			HandleScancode( report.xkey.keycode, bKeyDirection );
+
+			// Chars should ONLY be handled on Key Press
+			if (report.type == KeyPress) { 
+				char buf[8] = {0};
+				if (Xutf8LookupString(CNFGXIC, &report.xkey, buf, 8, NULL, NULL)) HandleChar( *((int*)buf) );
+			}
+
 			break;
 		case ButtonRelease:
 			bKeyDirection = 0;

simple.c

@@ -7,6 +7,8 @@
 #include "CNFG.h"
 
 void HandleKey( int keycode, int bDown ) { }
+void HandleScancode( int scancode, int bDown ) { }
+void HandleChar( int character ) { }
 void HandleButton( int x, int y, int button, int bDown ) { }
 void HandleMotion( int x, int y, int mask ) { }
 int HandleDestroy() { return 0; }