126 lines
2.6 KiB
C
126 lines
2.6 KiB
C
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#include "graph.h"
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#include "grfont.h" /* dispara^itra bientot */
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#include <stdio.h>
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static
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void Panic( const char* message )
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{
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fprintf( stderr, "PANIC: %s\n", message );
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exit(1);
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}
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typedef struct grKeyName
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{
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grKey key;
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const char* name;
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} grKeyName;
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static
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const grKeyName key_names[] =
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{
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{ grKeyF1, "F1" },
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{ grKeyF2, "F2" },
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{ grKeyF3, "F3" },
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{ grKeyF4, "F4" },
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{ grKeyF5, "F5" },
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{ grKeyF6, "F6" },
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{ grKeyF7, "F7" },
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{ grKeyF8, "F8" },
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{ grKeyF9, "F9" },
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{ grKeyF10, "F10" },
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{ grKeyF11, "F11" },
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{ grKeyF12, "F12" },
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{ grKeyEsc, "Esc" },
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{ grKeyHome, "Home" },
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{ grKeyEnd, "End" },
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{ grKeyPageUp, "Page_Up" },
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{ grKeyPageDown, "Page_Down" },
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{ grKeyLeft, "Left" },
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{ grKeyRight, "Right" },
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{ grKeyUp, "Up" },
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{ grKeyDown, "Down" },
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{ grKeyBackSpace, "BackSpace" },
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{ grKeyReturn, "Return" }
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};
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int main( void )
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{
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grSurface* surface;
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int n;
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grInit();
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surface = grNewScreenSurface( 0, gr_pixel_mode_gray, 320, 400, 128 );
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if (!surface)
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Panic("Could not create window\n" );
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else
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{
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grColor color;
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grEvent event;
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const char* string;
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int x;
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grSetSurfaceRefresh( surface, 1 );
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grSetTitle(surface,"X11 driver demonstration" );
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for ( x = -10; x < 10; x++ )
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{
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for ( n = 0; n < 128; n++ )
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{
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color.value = (n*3) & 127;
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grWriteCellChar( surface,
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x + ((n % 60) << 3),
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80 + (x+10)*8*3 + ((n/60) << 3), n, color );
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}
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}
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color.value = 64;
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grWriteCellString( surface, 0, 0, "just an example", color );
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do
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{
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grListenSurface( surface, 0, &event);
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/* return if ESC was pressed */
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if ( event.key == grKeyEsc )
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return 0;
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/* otherwise, display key string */
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color.value = (color.value + 8) & 127;
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{
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int count = sizeof(key_names)/sizeof(key_names[0]);
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grKeyName* name = (grKeyName*)key_names;
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grKeyName* limit = name + count;
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const char* kname = 0;
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char kname_temp[16];
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while (name < limit)
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{
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if ( name->key == event.key )
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{
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kname = (const char*)name->name;
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break;
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}
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name++;
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}
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if (!kname)
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{
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sprintf( kname_temp, "char '%c'", (char)event.key );
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kname = kname_temp;
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}
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grWriteCellString( surface, 30, 30, kname, color );
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grRefreshSurface(surface);
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}
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} while (1);
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}
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return 0;
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}
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