buttons (for warn overwrite popup)

6 files changed, 76 insertions, 7 deletions

diff --git a/colors.h b/colors.h
index 047228c..87feaf1 100644
--- a/colors.h
+++ b/colors.h
@@ -16,6 +16,10 @@ ENUM_U16 {
 	COLOR_ERROR_BG,
 	COLOR_ERROR_BORDER,
 
+	COLOR_YES,
+	COLOR_NO,
+	COLOR_CANCEL,
+
 	COLOR_COUNT
 } ENUM_U16_END(ColorSetting);
 
@@ -39,7 +43,10 @@ static ColorName const color_names[COLOR_COUNT] = {
 	{COLOR_MENU_HL, "menu-hl"},
 	{COLOR_ERROR_TEXT, "error-text"},
 	{COLOR_ERROR_BG, "error-bg"},
-	{COLOR_ERROR_BORDER, "error-border"}
+	{COLOR_ERROR_BORDER, "error-border"},
+	{COLOR_YES, "yes"},
+	{COLOR_NO, "no"},
+	{COLOR_CANCEL, "cancel"}
 };
 
 static ColorSetting color_setting_from_str(char const *str) {
diff --git a/math.c b/math.c
index 78f1ecc..6497040 100644
--- a/math.c
+++ b/math.c
@@ -658,6 +658,10 @@ static bool rect_contains_point(Rect r, v2 point) {
 	return rect_contains_point_v2(r.pos, r.size, point);
 }
 
+static Rect rect_translate(Rect r, v2 by) {
+	return rect(v2_add(r.pos, by), r.size);
+}
+
 static float rect_x1(Rect r) { return r.pos.x; }
 static float rect_y1(Rect r) { return r.pos.y; }
 static float rect_x2(Rect r) { return r.pos.x + r.size.x; }
@@ -688,27 +692,22 @@ static void rect_render(Rect r) {
 static void rect_render_border(Rect r, float border_thickness) {
 	float border_radius = border_thickness * 0.5f;
 	float x1 = r.pos.x, y1 = r.pos.y, x2 = x1 + r.size.x, y2 = y1 + r.size.y;
-	//float a = 0.3f; // for debugging
 
-	//glColor4f(1,0,0,a);
 	glVertex2f(x1+border_radius, y1-border_radius);
 	glVertex2f(x1+border_radius, y1+border_radius);
 	glVertex2f(x2+border_radius, y1+border_radius);
 	glVertex2f(x2+border_radius, y1-border_radius);
 	
-	//glColor4f(0,1,0,a);
 	glVertex2f(x1-border_radius, y2-border_radius);
 	glVertex2f(x1-border_radius, y2+border_radius);
 	glVertex2f(x2-border_radius, y2+border_radius);
 	glVertex2f(x2-border_radius, y2-border_radius);
 	
-	//glColor4f(0,0,1,a);
 	glVertex2f(x1-border_radius, y1-border_radius);
 	glVertex2f(x1+border_radius, y1-border_radius);
 	glVertex2f(x1+border_radius, y2-border_radius);
 	glVertex2f(x1-border_radius, y2-border_radius);
 	
-	//glColor4f(1,1,0,a);
 	glVertex2f(x2-border_radius, y1+border_radius);
 	glVertex2f(x2+border_radius, y1+border_radius);
 	glVertex2f(x2+border_radius, y2+border_radius);
diff --git a/ted.cfg b/ted.cfg
index 0d9089e..8173cc4 100644
--- a/ted.cfg
+++ b/ted.cfg
@@ -97,3 +97,6 @@ menu-hl = #afa2
 error-border = #f00
 error-bg = #800
 error-text = #fdd
+yes = #afa
+no = #faa
+cancel = #ffa
diff --git a/text.c b/text.c
index c4b88d3..70bd3d4 100644
--- a/text.c
+++ b/text.c
@@ -280,11 +280,29 @@ void text_render(Font *font, char const *text, float x, float y) {
 	text_render_internal(font, text, &x, &y, true);
 }
 
+void text_render_anchored(Font *font, char const *text, float x, float y, Anchor anchor) {
+	float w = 0, h = 0; // width, height of text
+	text_get_size(font, text, &w, &h);
+	float hw = w * 0.5f, hh = h * 0.5f; // half-width, half-height
+	switch (anchor) {
+	case ANCHOR_TOP_LEFT: break;
+	case ANCHOR_TOP_MIDDLE: x -= hw; break;
+	case ANCHOR_TOP_RIGHT: x -= w; break;
+	case ANCHOR_MIDDLE_LEFT: y -= hh; break;
+	case ANCHOR_MIDDLE: x -= hw; y -= hh; break;
+	case ANCHOR_MIDDLE_RIGHT: x -= w; y -= hh; break;
+	case ANCHOR_BOTTOM_LEFT: y -= h; break;
+	case ANCHOR_BOTTOM_MIDDLE: x -= hw; y -= h; break;
+	case ANCHOR_BOTTOM_RIGHT: x -= w; y -= h; break;
+	}
+	text_render(font, text, x, y);
+}
+
 void text_get_size(Font *font, char const *text, float *width, float *height) {
 	float x = 0, y = 0;
 	text_render_internal(font, text, &x, &y, false);
 	if (width)  *width = x;
-	if (height) *height = y + font->char_height * (2/3.0f);
+	if (height) *height = y + font->char_height;
 }
 
 void text_get_size32(Font *font, char32_t const *text, u64 len, float *width, float *height) {
diff --git a/text.h b/text.h
index ae865a9..0232f42 100644
--- a/text.h
+++ b/text.h
@@ -20,6 +20,18 @@ typedef struct {
 	float min_x, max_x, min_y, max_y;
 } TextRenderState;
 
+typedef enum {
+	ANCHOR_TOP_LEFT,
+	ANCHOR_TOP_MIDDLE,
+	ANCHOR_TOP_RIGHT,
+	ANCHOR_MIDDLE_LEFT,
+	ANCHOR_MIDDLE,
+	ANCHOR_MIDDLE_RIGHT,
+	ANCHOR_BOTTOM_LEFT,
+	ANCHOR_BOTTOM_MIDDLE,
+	ANCHOR_BOTTOM_RIGHT,
+} Anchor;
+
 extern bool text_has_err(void);
 // Get the current error. Errors will NOT be overwritten with newer errors.
 extern char const *text_get_err(void);
@@ -39,6 +51,7 @@ extern void text_get_size(Font *font, char const *text, float *width, float *hei
 extern void text_get_size32(Font *font, char32_t const *text, u64 len, float *width, float *height);
 // Write text, but using a state, starting at (x, y) -- state->x and state->y are ignored. This allows you to control min/max_x/y.
 extern void text_render_with_state(Font *font, TextRenderState *state, char const *text, float x, float y);
+extern void text_render_anchored(Font *font, char const *text, float x, float y, Anchor anchor);
 // Begin writing characters.
 extern void text_chars_begin(Font *font);
 // Finish writing characters.
diff --git a/ui.c b/ui.c
index 05e4110..827f73c 100644
--- a/ui.c
+++ b/ui.c
@@ -461,6 +461,24 @@ static void file_selector_render(Ted *ted, FileSelector *fs) {
 	}
 }
 
+static void button_render(Ted *ted, Rect button, char const *text, u32 color) {
+	u32 const *colors = ted->settings.colors;
+
+	glBegin(GL_QUADS);
+	if (rect_contains_point(button, ted->mouse_pos)) {
+		// highlight button when hovering over it
+		gl_color_rgba((color & 0xffffff00) | ((color & 0xff) / 3));
+		rect_render(button);
+	}
+	gl_color_rgba(colors[COLOR_BORDER]);
+	rect_render_border(button, 1);
+	glEnd();
+
+	gl_color_rgba(color);
+	v2 pos = rect_center(button);
+	text_render_anchored(ted->font, text, pos.x, pos.y, ANCHOR_MIDDLE);
+}
+
 typedef enum {
 	POPUP_NONE,
 	POPUP_YES,
@@ -519,4 +537,15 @@ static void popup_render(Ted *ted, char const *title, char const *body) {
 		.min_y = -FLT_MAX, .max_y = +FLT_MAX
 	};
 	text_render_with_state(font, &state, body, text_x1, y);
+
+	float button_height = 30;
+	u16 nbuttons = 3;
+	float button_width = r.size.x / nbuttons;
+	Rect button_yes    = rect(V2(r.pos.x, rect_y2(r) - button_height), V2(button_width, button_height));
+	Rect button_no     = rect_translate(button_yes, V2(button_width, 0));
+	Rect button_cancel = rect_translate(button_no, V2(button_width, 0));
+
+	button_render(ted, button_yes, "Yes", colors[COLOR_YES]);
+	button_render(ted, button_no, "No", colors[COLOR_NO]);
+	button_render(ted, button_cancel, "Cancel", colors[COLOR_CANCEL]);
 }