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tools/: exit from sample mode by pressing Q or by closing the window

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This commit is contained in:
Werner Almesberger 2012-06-21 18:48:54 -03:00
parent 4eb1065dd7
commit 87050bc12a
3 changed files with 27 additions and 3 deletions
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4
tools/antorcha.c
View File

@ -315,9 +315,11 @@ static void samples(struct atrf_dsc *dsc)
y |= *s++ << 8; y |= *s++ << 8;
if (debug) if (debug)
fprintf(stderr, "\t%d %d\n", x, y); fprintf(stderr, "\t%d %d\n", x, y);
plot(x, y); if (!plot(x, y))
goto quit;
} }
} }
quit:
buf[0] = 0; buf[0] = 0;
packet(dsc, SAMPLE, 0, 0, buf, PAYLOAD); packet(dsc, SAMPLE, 0, 0, buf, PAYLOAD);
} }

24
tools/plot.c
View File

@ -16,6 +16,8 @@
#include "SDL.h" #include "SDL.h"
#include "SDL_gfxPrimitives.h" #include "SDL_gfxPrimitives.h"
#include "plot.h"
#define XRES 1024 #define XRES 1024
#define YRES 1024 #define YRES 1024
@ -44,8 +46,10 @@ static SDL_Rect front_rect = {
}; };
void plot(int x, int y) int plot(int x, int y)
{ {
SDL_Event event;
if (!first) { if (!first) {
SDL_BlitSurface(back, &back_rect, surf, &front_rect); SDL_BlitSurface(back, &back_rect, surf, &front_rect);
SDL_LockSurface(surf); SDL_LockSurface(surf);
@ -71,6 +75,24 @@ void plot(int x, int y)
first = 0; first = 0;
last_x = x; last_x = x;
last_y = y; last_y = y;
while (SDL_PollEvent(&event))
switch (event.type) {
case SDL_KEYDOWN:
switch (event.key.keysym.sym) {
case SDLK_q:
return 0;
default:
break;
}
break;
case SDL_QUIT:
return 0;
default:
break;
}
return 1;
} }

2
tools/plot.h
View File

@ -14,7 +14,7 @@
#ifndef PLOT_H #ifndef PLOT_H
#define PLOT_H #define PLOT_H
void plot(int x, int y); int plot(int x, int y);
void plot_init(void); void plot_init(void);
#endif /* !PLOT_H */ #endif /* !PLOT_H */