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eeshow/gui.c (redraw): abstract gtk_widget_queue_draw()

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This commit is contained in:
Werner Almesberger 2016-08-03 18:49:16 -03:00
parent d07a5b8d8b
commit 27b217d062
1 changed files with 13 additions and 4 deletions
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17
eeshow/gui.c
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@ -75,6 +75,15 @@ struct gui_ctx {
};
/* ----- Helper functions -------------------------------------------------- */
static void redraw(const struct gui_ctx *ctx)
{
gtk_widget_queue_draw(ctx->da);
}
/* ----- Area of intereest ------------------------------------------------- */
@ -210,7 +219,7 @@ static void pan_update(struct gui_ctx *ctx, int x, int y)
ctx->pan_x = x;
ctx->pan_y = y;
gtk_widget_queue_draw(ctx->da);
redraw(ctx);
}
@ -232,7 +241,7 @@ static void zoom_in(struct gui_ctx *ctx, int x, int y)
ctx->zoom--;
ctx->x = (ctx->x + x) / 2;
ctx->y = (ctx->y + y) / 2;
gtk_widget_queue_draw(ctx->da);
redraw(ctx);
}
@ -243,7 +252,7 @@ static void zoom_out(struct gui_ctx *ctx, int x, int y)
ctx->zoom++;
ctx->x = 2 * ctx->x - x;
ctx->y = 2 * ctx->y - y;
gtk_widget_queue_draw(ctx->da);
redraw(ctx);
}
@ -261,7 +270,7 @@ static void zoom_to_extents(struct gui_ctx *ctx)
sheet->h >> ctx->zoom > alloc.height)
ctx->zoom++;
gtk_widget_queue_draw(ctx->da);
redraw(ctx);
}