From fe3ed50e1da2bb4ced3172e86a3b244a9c3d4f1c Mon Sep 17 00:00:00 2001
From: Federico Angelilli <code@fedang.net>
Date: Fri, 17 Nov 2023 17:48:03 +0100
Subject: Add buttons and update draw

---
 src/draw.c | 70 ++++++++++++++++++++++++++++++++++++++++++++------------------
 1 file changed, 50 insertions(+), 20 deletions(-)

(limited to 'src/draw.c')

diff --git a/src/draw.c b/src/draw.c
index aed4da0..4362950 100644
--- a/src/draw.c
+++ b/src/draw.c
@@ -5,6 +5,7 @@
 #include <pango/pango-types.h>
 
 #include "draw.h"
+#include "button.h"
 #include "log.h"
 
 // Idea: Either make a to_draw queue where we put things we schedule to redraw
@@ -68,56 +69,85 @@ void draw_paint(Drawable *draw, Window *win)
 
     cairo_paint(cr);
 
-    cairo_set_line_width(cr, 1 * scale);
+    int line_w = 1 * scale;
+    cairo_set_line_width(cr, line_w);
 
-    for (int i = 0; i < 9; i++) {
+    int bx = 0;
 
-        PangoLayout *layout = pango_cairo_create_layout (cr);
+    for (GList *it = draw->btns; it; it = it->next) {
+        Button *btn = it->data;
+
+        PangoLayout *layout = pango_cairo_create_layout(cr);
         pango_layout_set_font_description(layout, draw->desc);
 
-        int x = (height + cairo_get_line_width(cr) * scale * 2) * i;
+        int bwidth, bheight = height;
+        char *btn_text = btn->text;
+        char tmp[2] = { 0 };
+
+        if (btn->fixed_size) {
+            bwidth = height;
+            // Get only the first char
+            tmp[0] = btn->text[0];
+            btn_text = tmp;
+        }
+
+        pango_layout_set_text(layout, btn_text, -1);
+        pango_layout_set_alignment(layout, PANGO_ALIGN_CENTER);
+
+        int text_w, text_h;
+        pango_layout_get_pixel_size(layout, &text_w, &text_h);
+        text_w = ceil(text_w / scale);
+        text_h = ceil(text_h / scale);
+
+        if (!btn->fixed_size) {
+            bwidth = text_w + 2*radius;
+        }
+
+        int text_x = bx + (bwidth / 2) - (text_w / 2);
+        int text_y = (bheight / 2) - (text_h / 2);
 
         // purple
         cairo_set_source_rgba(cr, 0.502, 0.168, 0.886, 1);
-        cairo_arc(cr, x + radius, radius, radius, 0 * degree, 360 * degree);
+        cairo_new_sub_path(cr);
+        cairo_arc(cr, bx + radius, radius, radius, 90 * degree, 270 * degree);
+        cairo_arc(cr, bx + bwidth - radius, radius, radius, 270 * degree, 450 * degree);
+        cairo_close_path(cr);
         cairo_fill(cr);
 
         cairo_set_source_rgba(cr, 0.8, 0.8, 0.8, 1);
-        cairo_arc(cr, x + radius, radius, radius - 1, 0 * degree, 360 * degree);
+        cairo_new_sub_path(cr);
+        cairo_arc(cr, bx + radius, radius, radius - line_w , 90 * degree, 270 * degree);
+        cairo_arc(cr, bx + bwidth - radius, radius, radius - line_w, 270 * degree, 450 * degree);
+        cairo_close_path(cr);
         cairo_stroke(cr);
 
         cairo_set_source_rgb(cr, 0.8, 0.8, 0.8);
-        char btn[] = { '1' + i, '\0' };
-        pango_layout_set_text(layout, btn, -1);
-
-        int text_w, text_h;
-        pango_layout_get_pixel_size(layout, &text_w, &text_h);
-        text_w = ceil(text_w / scale);
-        text_h = ceil(text_h / scale);
-
-        int text_x = x + radius - (text_w / 2);
-        int text_y = radius - (text_h / 2);
         cairo_move_to(cr, text_x, text_y);
 
         pango_cairo_update_layout(cr, layout);
         pango_cairo_show_layout(cr, layout);
 
         g_object_unref(layout);
+
+        int sep = 10 * scale;
+        bx += height + line_w * 2 + sep;
     }
 
     cairo_destroy(cr);
 
-    int x = draw->left_pad;
-    int y = draw->top_pad;
-
     // TODO: Move these somewhere else
-    window_move(win, x, y);
+    window_move(win, draw->left_pad, draw->top_pad);
     window_resize(win, width0, draw->height);
 
     window_paint_surface(win, surface, width, height);
     cairo_surface_destroy(surface);
 }
 
+void draw_set_buttons(Drawable *draw, GList *btns)
+{
+    draw->btns = btns;
+}
+
 void draw_destroy(Drawable *draw)
 {
     pango_font_description_free(draw->desc);
-- 
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