More menu work

Core/Inc/graphics/fonts/font.h

@@ -16,8 +16,8 @@ extern lv_font_t roboto_bold_large_font;
 extern lv_font_t runescape_font;
 #endif
 
-uint16_t draw_character(pixel_t *framebuffer, const lv_font_t *font, const uint16_t x_loc, const uint16_t y_loc, const char character, pixel_t color);
+uint16_t draw_character(volatile pixel_t *const framebuffer, const lv_font_t *font, const uint16_t x_loc, const uint16_t y_loc, const char character, pixel_t color);
 
-void draw_string(pixel_t *framebuffer, const lv_font_t *font, const uint16_t x_loc, const uint16_t y_loc, const char *string, pixel_t color);
+void draw_string(volatile pixel_t *const framebuffer, const lv_font_t *font, const uint16_t x_loc, const uint16_t y_loc, const char *string, pixel_t color);
 
 #endif

Core/Inc/graphics/menu.h

@@ -3,6 +3,7 @@
 
 #include "stdint.h"
 #include "stdbool.h"
+#include "display.h"
 
 typedef void (*menu_callback_t)(void *args);
 typedef struct _graphical_menu_layout_t graphical_menu_layout_t;
@@ -40,10 +41,10 @@ struct _graphical_menu_t {
 
 
 
-void draw_menu(const graphical_menu_t *const menu);
+void draw_menu(volatile pixel_t *const framebuffer, const graphical_menu_t *const menu);
+void partial_redraw_menu(volatile pixel_t *const framebuffer, graphical_menu_t *const menu, uint8_t old_highlighted_entry_idx, uint8_t new_highlighted_entry_idx);
 void select_menu_entry(graphical_menu_t *const menu);
-uint8_t get_selected_menu_entry_idx(void);
+void set_selected_menu_entry_idx(volatile pixel_t *const framebuffer, graphical_menu_t *const menu, uint8_t idx);
-void set_selected_menu_entry_idx(graphical_menu_t *const menu, int8_t idx);
 void decrement_selected_menu_entry_idx(graphical_menu_t *const menu);
 void increment_selected_menu_entry_idx(graphical_menu_t *const menu);
 

Core/Src/graphics/fonts/font.c

@@ -71,7 +71,7 @@ const void * lv_font_get_bitmap_fmt_txt(lv_font_fmt_txt_glyph_dsc_t * g_dsc, lv_
  * @note If the character is not found in the font's character map, the function returns
  *       0 without drawing anything.
  */
-uint16_t draw_character(pixel_t *framebuffer, const lv_font_t *font, const uint16_t x_loc, const uint16_t y_loc, const char character, pixel_t color)
+uint16_t draw_character(volatile pixel_t *const framebuffer, const lv_font_t *font, const uint16_t x_loc, const uint16_t y_loc, const char character, pixel_t color)
 {
     const lv_font_fmt_txt_dsc_t *font_dsc = (lv_font_fmt_txt_dsc_t *)font->dsc;
     lv_font_fmt_txt_glyph_dsc_t glyph_dsc;
@@ -140,7 +140,7 @@ uint16_t draw_character(pixel_t *framebuffer, const lv_font_t *font, const uint1
  * @note All characters in the string are drawn on the same horizontal baseline (y_loc
  *       remains constant for all characters).
  */
-void draw_string(pixel_t *framebuffer, const lv_font_t *font, const uint16_t x_loc, const uint16_t y_loc, const char *string, pixel_t color)
+void draw_string(volatile pixel_t *const framebuffer, const lv_font_t *font, const uint16_t x_loc, const uint16_t y_loc, const char *string, pixel_t color)
 {
     uint32_t current_x = x_loc << 4;
 

Core/Src/graphics/menu.c

@@ -2,26 +2,21 @@
 #include "graphics.h"
 #include "fonts/font.h"
 #include "display.h"
-#include "ui.h"
 
-void draw_menu(const graphical_menu_t *const menu)
+static const uint16_t entry_height = 40;
+static const uint16_t padding_x = 10;
+static const uint16_t padding_y = 0;
+static const pixel_t enabled_text_color = MAKE_PIXEL(0, 0, 0);
+static const pixel_t disabled_text_color = MAKE_PIXEL(128, 128, 128);
+static const pixel_t entry_bg_color = MAKE_PIXEL(255, 255, 255);
+static const pixel_t highlighted_bg_color = MAKE_PIXEL(0, 0, 0);
+static const pixel_t highlighted_text_color = MAKE_PIXEL(255, 255, 0);
+
+void draw_menu_entry(volatile pixel_t *const framebuffer, const graphical_menu_t *const menu, uint8_t entry_idx)
 {
-    const uint16_t entry_height = 40;
+    const uint16_t y_pos = entry_idx * entry_height;
-    const uint16_t padding_x = 10;
+    const graphical_menu_entry_t *entry = &menu->layout->entries[entry_idx];
-    const uint16_t padding_y = 0;
+    const bool is_highlighted = (entry_idx == menu->selected_entry_idx) && entry->enabled;
-    const pixel_t enabled_text_color = MAKE_PIXEL(0, 0, 0);
-    const pixel_t disabled_text_color = MAKE_PIXEL(128, 128, 128);
-    const pixel_t entry_bg_color = MAKE_PIXEL(255, 255, 255);
-    const pixel_t highlighted_bg_color = MAKE_PIXEL(0, 0, 0);
-    const pixel_t highlighted_text_color = MAKE_PIXEL(255, 255, 0);
-
-    DrawBox(0, 0, DISPLAY_WIDTH, DISPLAY_HEIGHT, entry_bg_color);
-    
-    for (uint8_t i = 0; i < menu->layout->num_entries; i++)
-    {
-        const uint16_t y_pos = i * entry_height;
-        const graphical_menu_entry_t *entry = &menu->layout->entries[i];
-        const bool is_highlighted = (i == menu->selected_entry_idx) && entry->enabled;
     
     // Draw entry background - use highlighted color if this is the selected entry
     pixel_t bg_color = is_highlighted ? highlighted_bg_color : entry_bg_color;
@@ -40,10 +35,26 @@ void draw_menu(const graphical_menu_t *const menu)
     
     // Calculate baseline from top position: baseline = top + (line_height - base_line)
     const uint16_t text_baseline_y = y_pos + padding_y + (roboto_bold_font.line_height - roboto_bold_font.base_line);
-        draw_string((pixel_t *)framebuffer, &runescape_font, 
+    draw_string(framebuffer, &runescape_font, 
                 padding_x, text_baseline_y, 
                 entry->title, text_color);
 }
+
+void draw_menu(volatile pixel_t *const framebuffer, const graphical_menu_t *const menu)
+{
+    DrawBox(0, 0, DISPLAY_WIDTH, DISPLAY_HEIGHT, entry_bg_color);
+    
+    for (uint8_t i = 0; i < menu->layout->num_entries; i++)
+    {
+        draw_menu_entry(framebuffer, menu, i);
+    }
+}
+
+void partial_redraw_menu(volatile pixel_t *const framebuffer, graphical_menu_t *const menu, uint8_t old_highlighted_entry_idx, uint8_t new_highlighted_entry_idx)
+{
+    draw_menu_entry(framebuffer, menu, old_highlighted_entry_idx);
+    draw_menu_entry(framebuffer, menu, new_highlighted_entry_idx);
+
 }
 
 void select_menu_entry(graphical_menu_t *const menu)
@@ -63,8 +74,20 @@ void select_menu_entry(graphical_menu_t *const menu)
     }
 }
 
-void set_selected_menu_entry_idx(graphical_menu_t *const menu, int8_t idx)
+void set_selected_menu_entry_idx(volatile pixel_t *const framebuffer, graphical_menu_t *const menu, uint8_t idx)
 {
+    const uint16_t old_highlighted_entry_idx = menu->selected_entry_idx;
+
+
+    // Handle case where the last entry is disabled
+    if (idx == menu->layout->num_entries - 1)
+    {
+        while (!menu->layout->entries[idx].enabled)
+        {
+            idx--;
+        }
+    }
+
     // Only allow selecting enabled entries
     while (!menu->layout->entries[idx].enabled)
     {
@@ -79,21 +102,32 @@ void set_selected_menu_entry_idx(graphical_menu_t *const menu, int8_t idx)
     }
 
     // Clamp the index to valid range
-    if (idx < 0 || idx >= menu->layout->num_entries)
+    if (idx >= menu->layout->num_entries)
     {
-        idx = menu->layout->num_entries > 0 ? menu->layout->num_entries - 1 : 0;
+        if (menu->layout->num_entries == 0) return;
+        idx = menu->layout->num_entries - 1;
     }
 
     menu->selected_entry_idx = idx;
-    ui_request_redraw();
+    partial_redraw_menu(framebuffer, menu, old_highlighted_entry_idx, idx);
 }
 
 void decrement_selected_menu_entry_idx(graphical_menu_t *const menu)
 {
-    set_selected_menu_entry_idx(menu, menu->selected_entry_idx - 1);
+    if (menu->selected_entry_idx == 0)
+    {
+        set_selected_menu_entry_idx(framebuffer, menu, menu->layout->num_entries - 1);
+        return;
+    }
+    set_selected_menu_entry_idx(framebuffer, menu, menu->selected_entry_idx - 1);
 }
 
 void increment_selected_menu_entry_idx(graphical_menu_t *const menu)
 {
-    set_selected_menu_entry_idx(menu, menu->selected_entry_idx + 1);
+    if (menu->selected_entry_idx == menu->layout->num_entries - 1)
+    {
+        set_selected_menu_entry_idx(framebuffer, menu, 0);
+        return;
+    }
+    set_selected_menu_entry_idx(framebuffer, menu, menu->selected_entry_idx + 1);
 }

Core/Src/ui.c

@@ -28,11 +28,10 @@ static const graphical_menu_layout_t main_menu_layout = {
 
 static const graphical_menu_layout_t runescape_memes_menu_layout = {
     .parent_menu = &main_menu,
-    .num_entries = 8,
+    .num_entries = 7,
     .entries = (graphical_menu_entry_t[]){
         {.title = "where varock", .enabled = true, .highlighted_callback_function = 0, .highlighted_callback_function_args = 0, .selected_callback_function = 0, .selected_callback_function_args = 0},
         {.title = "buying gf", .enabled = true, .highlighted_callback_function = 0, .highlighted_callback_function_args = 0, .selected_callback_function = 0, .selected_callback_function_args = 0},
-        {.title = "le goblin", .enabled = true, .highlighted_callback_function = 0, .highlighted_callback_function_args = 0, .selected_callback_function = 0, .selected_callback_function_args = 0},
         {.title = "you chop the tree", .enabled = true, .highlighted_callback_function = 0, .highlighted_callback_function_args = 0, .selected_callback_function = 0, .selected_callback_function_args = 0},
         {.title = "you chop the tree", .enabled = true, .highlighted_callback_function = 0, .highlighted_callback_function_args = 0, .selected_callback_function = 0, .selected_callback_function_args = 0},
         {.title = "you chop the tree", .enabled = true, .highlighted_callback_function = 0, .highlighted_callback_function_args = 0, .selected_callback_function = 0, .selected_callback_function_args = 0},
@@ -121,6 +120,6 @@ void ui_task(void)
     if (redraw_requested)
     {
         redraw_requested = false;
-        draw_menu(current_menu);
+        draw_menu(framebuffer, current_menu);
     }
 }