ref: 60402683ba9b64de99c5c31d029eb3b564404d97
dir: /demos/graph/xtest.c/
#include "graph.h" #include "grfont.h" /* dispara^itra bientot */ #include <stdio.h> static void Panic( const char* message ) { fprintf( stderr, "PANIC: %s\n", message ); exit(1); } typedef struct grKeyName { grKey key; const char* name; } grKeyName; static const grKeyName key_names[] = { { grKeyF1, "F1" }, { grKeyF2, "F2" }, { grKeyF3, "F3" }, { grKeyF4, "F4" }, { grKeyF5, "F5" }, { grKeyF6, "F6" }, { grKeyF7, "F7" }, { grKeyF8, "F8" }, { grKeyF9, "F9" }, { grKeyF10, "F10" }, { grKeyF11, "F11" }, { grKeyF12, "F12" }, { grKeyEsc, "Esc" }, { grKeyHome, "Home" }, { grKeyEnd, "End" }, { grKeyPageUp, "Page_Up" }, { grKeyPageDown, "Page_Down" }, { grKeyLeft, "Left" }, { grKeyRight, "Right" }, { grKeyUp, "Up" }, { grKeyDown, "Down" }, { grKeyBackSpace, "BackSpace" }, { grKeyReturn, "Return" } }; int main( void ) { grSurface* surface; int n; grInit(); surface = grNewScreenSurface( 0, gr_pixel_mode_gray, 320, 400, 128 ); if (!surface) Panic("Could not create window\n" ); else { grColor color; grEvent event; const char* string; int x; grSetSurfaceRefresh( surface, 1 ); grSetTitle(surface,"X11 driver demonstration" ); for ( x = -10; x < 10; x++ ) { for ( n = 0; n < 128; n++ ) { color.value = (n*3) & 127; grWriteCellChar( surface, x + ((n % 60) << 3), 80 + (x+10)*8*3 + ((n/60) << 3), n, color ); } } color.value = 64; grWriteCellString( surface, 0, 0, "just an example", color ); do { grListenSurface( surface, 0, &event); /* return if ESC was pressed */ if ( event.key == grKeyEsc ) return 0; /* otherwise, display key string */ color.value = (color.value + 8) & 127; { int count = sizeof(key_names)/sizeof(key_names[0]); grKeyName* name = (grKeyName*)key_names; grKeyName* limit = name + count; const char* kname = 0; char kname_temp[16]; while (name < limit) { if ( name->key == event.key ) { kname = (const char*)name->name; break; } name++; } if (!kname) { sprintf( kname_temp, "char '%c'", (char)event.key ); kname = kname_temp; } grWriteCellString( surface, 30, 30, kname, color ); grRefreshSurface(surface); } } while (1); } return 0; }