124 lines
4.1 KiB
C
124 lines
4.1 KiB
C
#include "menu.h"
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#include "graphics.h"
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#include "fonts/font.h"
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#include "display.h"
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static const uint16_t entry_height = 40;
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static const uint16_t padding_x = 10;
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static const uint16_t padding_y = 0;
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static const pixel_t enabled_text_color = MAKE_PIXEL(255, 255, 255);
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static const pixel_t disabled_text_color = MAKE_PIXEL(128, 128, 128);
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static const pixel_t entry_bg_color = MAKE_PIXEL(0, 0, 0);
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static const pixel_t highlighted_bg_color = MAKE_PIXEL(50, 50, 50);
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static const pixel_t highlighted_text_color = MAKE_PIXEL(255, 255, 0);
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void draw_menu_entry(volatile pixel_t *const framebuffer, const graphical_menu_t *const menu, uint8_t entry_idx)
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{
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const uint16_t y_pos = entry_idx * entry_height;
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const graphical_menu_entry_t *entry = &menu->children[entry_idx];
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const bool is_highlighted = (entry_idx == menu->highlighted_child_idx) && !entry->disabled;
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// Draw entry background - use highlighted color if this is the selected entry
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pixel_t bg_color = is_highlighted ? highlighted_bg_color : entry_bg_color;
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DrawBox(0, y_pos, DISPLAY_WIDTH, entry_height, bg_color);
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// Draw entry text - use highlighted color if selected, otherwise use enabled/disabled color
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pixel_t text_color;
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if (is_highlighted)
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{
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text_color = highlighted_text_color;
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}
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else
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{
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text_color = !entry->disabled ? enabled_text_color : disabled_text_color;
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}
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// Calculate baseline from top position: baseline = top + (line_height - base_line)
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const uint16_t text_baseline_y = y_pos + padding_y + (roboto_bold_font.line_height - roboto_bold_font.base_line);
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draw_string(framebuffer, &runescape_font,
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padding_x, text_baseline_y,
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entry->title, text_color);
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}
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void draw_menu(volatile pixel_t *const framebuffer, const graphical_menu_t *const menu)
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{
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DrawBox(0, 0, DISPLAY_WIDTH, DISPLAY_HEIGHT, entry_bg_color);
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for (uint8_t i = 0; i < menu->num_children; i++)
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{
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draw_menu_entry(framebuffer, menu, i);
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}
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}
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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)
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{
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draw_menu_entry(framebuffer, menu, old_highlighted_entry_idx);
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draw_menu_entry(framebuffer, menu, new_highlighted_entry_idx);
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}
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void select_menu_entry(graphical_menu_t *const menu)
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{
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// Ensure selected_entry_idx is within bounds
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if (menu->highlighted_child_idx >= menu->num_children)
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{
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return;
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}
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const graphical_menu_entry_t *entry = &menu->children[menu->highlighted_child_idx];
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// Only select if the entry is enabled
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if (!entry->disabled && entry->selected_callback_function != NULL)
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{
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entry->selected_callback_function(entry->selected_callback_function_args);
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}
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}
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void set_selected_menu_entry_idx(volatile pixel_t *const framebuffer, graphical_menu_t *const menu, uint8_t idx)
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{
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const uint16_t old_highlighted_entry_idx = menu->highlighted_child_idx;
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// Clamp the index to valid range
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if (idx >= menu->num_children)
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{
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if (menu->num_children == 0) return;
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idx = menu->num_children - 1;
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}
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menu->highlighted_child_idx = idx;
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partial_redraw_menu(framebuffer, menu, old_highlighted_entry_idx, idx);
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}
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void decrement_selected_menu_entry_idx(volatile pixel_t *const framebuffer, graphical_menu_t *const menu)
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{
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uint8_t idx = menu->highlighted_child_idx;
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// Only allow selecting enabled entries
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do
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{
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if (idx == 0)
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{
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idx = menu->num_children - 1;
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}
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else
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{
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idx--;
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}
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}
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while (menu->children[idx].disabled);
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set_selected_menu_entry_idx(framebuffer, menu, idx);
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}
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void increment_selected_menu_entry_idx(volatile pixel_t *const framebuffer, graphical_menu_t *const menu)
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{
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uint8_t idx = (menu->highlighted_child_idx + 1) % menu->num_children;
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// Only allow selecting enabled entries
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while (menu->children[idx].disabled)
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{
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idx = (idx + 1) % menu->num_children;
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}
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set_selected_menu_entry_idx(framebuffer, menu, idx);
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} |