From 1cce7a8f4bd2e72bb200261f87794ff804efcd69 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Thu, 05 Aug 2021 01:05:07 -0400
Subject: tk: Support different check shapes

---
(limited to 'src/tk')

diff --git a/src/tk/check.c b/src/tk/check.c
index b5f91b8..e84d30a 100644
--- a/src/tk/check.c
+++ b/src/tk/check.c
@@ -22,18 +22,27 @@
 #include "widget.h"
 
 struct mftk_check {
-	struct mftk_widget   parent;
-	int                  butn_width;
-	int                  butn_padding;
-	SDL_Color           *butn_color;
-	SDL_Color           *mark_color;
-	int                  state;
-	int                  label_padding;
-	struct mftk_widget  *label;
-	int                (*action)(void *, int);
-	void                *user_data;
+	struct mftk_widget    parent;
+	enum mftk_check_shape shape;
+	int                   butn_width;
+	int                   butn_padding;
+	SDL_Color            *butn_color;
+	SDL_Color            *mark_color;
+	int                   state;
+	int                   label_padding;
+	struct mftk_widget   *label;
+	int                 (*action)(void *, int);
+	void                 *user_data;
 };
 
+void
+mftk_check_set_shape(struct mftk_widget *w, enum mftk_check_shape shape)
+{
+	struct mftk_check *c = (struct mftk_check *) w;
+
+	c->shape = shape;
+}
+
 static void
 _mftk_check_layout(struct mftk_widget *w)
 {
@@ -73,23 +82,35 @@ _mftk_check_event(struct mftk_widget *w, SDL_Event *e,
 }
 
 static int
+_mftk_check_render_box(SDL_Rect *rect, SDL_Color *color, SDL_Renderer *renderer)
+{
+	if (SDL_SetRenderDrawColor(renderer,
+				color->r, color->g, color->b, color->a) < 0 ||
+			SDL_RenderFillRect(renderer, rect) < 0) {
+		SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+				"Couldn't render widget: %s",
+				SDL_GetError());
+		return -1;
+	}
+
+	return 0;
+}
+
+static int
 _mftk_check_render(struct mftk_widget *w, SDL_Renderer *renderer, int x, int y)
 {
 	struct mftk_check *c = (struct mftk_check *) w;
 	SDL_Rect           rect;
+	int                e = 0;
 
 	rect.x = x;
 	rect.y = y;
 	rect.w = c->butn_width;
 	rect.h = c->butn_width;
-	if (SDL_SetRenderDrawColor(renderer,
-				c->butn_color->r, c->butn_color->g,
-				c->butn_color->b, c->butn_color->a) < 0 ||
-			SDL_RenderFillRect(renderer, &rect) < 0) {
-		SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-				"Couldn't render widget: %s",
-				SDL_GetError());
-		return -1;
+	if (c->shape == MFTK_CHECK_SHAPE_BOX) {
+		if (_mftk_check_render_box(&rect, c->butn_color, renderer) < 0){
+			e = -1;
+		}
 	}
 
 	if (c->state == SDL_TRUE) {
@@ -97,23 +118,20 @@ _mftk_check_render(struct mftk_widget *w, SDL_Renderer *renderer, int x, int y)
 		rect.y += c->butn_padding;
 		rect.w -= c->butn_padding * 2;
 		rect.h -= c->butn_padding * 2;
-		if (SDL_SetRenderDrawColor(renderer,
-					c->mark_color->r, c->mark_color->g,
-					c->mark_color->b, c->mark_color->a) < 0
-				|| SDL_RenderFillRect(renderer, &rect) < 0) {
-			SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-					"Couldn't render widget: %s",
-					SDL_GetError());
-			return -1;
+		if (c->shape == MFTK_CHECK_SHAPE_BOX) {
+			if (_mftk_check_render_box(&rect, c->mark_color,
+						renderer) < 0) {
+				e = -1;
+			}
 		}
 	}
 
 	if (c->label != NULL && mftk_widget_render(c->label, renderer,
 				x + c->butn_width + c->label_padding, y) < 0) {
-		return -1;
+		e = -1;
 	}
 
-	return 0;
+	return e;
 }
 
 static void
@@ -146,6 +164,7 @@ mftk_check_new(int butn_width, int butn_padding, SDL_Color *butn_color,
 		}
 	}
 
+	c->shape         = MFTK_CHECK_SHAPE_BOX;
 	c->butn_width    = butn_width;
 	c->butn_padding  = butn_padding;
 	c->butn_color    = butn_color;
diff --git a/src/tk/widget.h b/src/tk/widget.h
index 4966749..047dd6d 100644
--- a/src/tk/widget.h
+++ b/src/tk/widget.h
@@ -49,4 +49,12 @@ mftk_widget_new(size_t size);
 		t_w = (struct mftk_##name *) w; \
 	} while (0)
 
+enum mftk_check_shape {
+	MFTK_CHECK_SHAPE_BOX,
+	MFTK_CHECK_SHAPE_CIR
+};
+
+void
+mftk_check_set_shape(struct mftk_widget *w, enum mftk_check_shape shape);
+
 #endif  /* MFTK_WIDGET_H_ */
--
cgit v0.9.1