Some performance improvements

3 files changed, 10 insertions, 8 deletions

diff --git a/libgui/gfx.c b/libgui/gfx.c
index 63306e6..6e8b56a 100644
--- a/libgui/gfx.c
+++ b/libgui/gfx.c
@@ -1,6 +1,7 @@
 // MIT License, Copyright (c) 2020 Marvin Borner
 // Some GFX functions
 // TODO: Better support for bpp < 32
+// TODO: Use efficient redrawing
 
 #include <assert.h>
 #include <bmp.h>
@@ -98,7 +99,7 @@ void gfx_write_char(struct context *ctx, int x, int y, enum font_type font_type,
 {
 	struct font *font = gfx_resolve_font(font_type);
 	write_char(ctx, x, y, font, c, ch);
-	gfx_redraw();
+	/* gfx_redraw(); */
 }
 
 void gfx_write(struct context *ctx, int x, int y, enum font_type font_type, u32 c, char *text)
@@ -107,7 +108,7 @@ void gfx_write(struct context *ctx, int x, int y, enum font_type font_type, u32
 	for (u32 i = 0; i < strlen(text); i++) {
 		write_char(ctx, x + i * font->width, y, font, c, text[i]);
 	}
-	gfx_redraw();
+	/* gfx_redraw(); */
 }
 
 void gfx_load_image(struct context *ctx, char *path, int x, int y)
@@ -126,7 +127,7 @@ void gfx_load_image(struct context *ctx, char *path, int x, int y)
 		srcfb -= bmp->pitch;
 		destfb += ctx->pitch;
 	}
-	gfx_redraw();
+	/* gfx_redraw(); */
 }
 
 void gfx_load_wallpaper(struct context *ctx, char *path)
@@ -185,13 +186,13 @@ void gfx_ctx_on_ctx(struct context *dest, struct context *src, int x, int y)
 void gfx_draw_rectangle(struct context *ctx, int x1, int y1, int x2, int y2, u32 c)
 {
 	draw_rectangle(ctx, x1, y1, x2, y2, c);
-	gfx_redraw();
+	/* gfx_redraw(); */
 }
 
 void gfx_fill(struct context *ctx, u32 c)
 {
 	draw_rectangle(ctx, 0, 0, ctx->width, ctx->height, c);
-	gfx_redraw();
+	/* gfx_redraw(); */
 }
 
 void gfx_border(struct context *ctx, u32 c, u32 width)
@@ -209,7 +210,7 @@ void gfx_border(struct context *ctx, u32 c, u32 width)
 		}
 		draw += ctx->pitch;
 	}
-	gfx_redraw();
+	/* gfx_redraw(); */
 }
 
 int gfx_font_height(enum font_type font_type)
diff --git a/libgui/gui.c b/libgui/gui.c
index 72de970..399192f 100644
--- a/libgui/gui.c
+++ b/libgui/gui.c
@@ -277,7 +277,7 @@ void gui_event_loop(struct element *container)
 				s[l + 1] = '\0';
 				gui_sync_text_input(focused);
 				merge_elements(get_root(focused->window_id));
-				gfx_redraw();
+				gfx_redraw_focused(); //  Only redraw window
 			}
 
 			if (focused && focused->event.on_key && event->ch) {
diff --git a/libgui/inc/gfx.h b/libgui/inc/gfx.h
index c8e5a29..0b37d84 100644
--- a/libgui/inc/gfx.h
+++ b/libgui/inc/gfx.h
@@ -42,7 +42,7 @@
 
 enum font_type { FONT_8, FONT_12, FONT_16, FONT_24, FONT_32, FONT_64 };
 
-enum message_type { GFX_NEW_CONTEXT = EVENT_MAX + 1, GFX_REDRAW, GFX_MAX };
+enum message_type { GFX_NEW_CONTEXT = EVENT_MAX + 1, GFX_REDRAW, GFX_REDRAW_FOCUSED, GFX_MAX };
 
 // Generalized font struct
 struct font {
@@ -85,5 +85,6 @@ int gfx_font_width(enum font_type);
 #define gfx_new_ctx(ctx)                                                                           \
 	(msg_send(2, GFX_NEW_CONTEXT, (ctx)), (struct context *)msg_receive_loop()->data)
 #define gfx_redraw() (msg_send(2, GFX_REDRAW, NULL)) // TODO: Partial redraw (optimization)
+#define gfx_redraw_focused() (msg_send(2, GFX_REDRAW_FOCUSED, NULL))
 
 #endif