app_ui.h

Go to the documentation of this file.

 
#ifndef APP_UI_H
#define APP_UI_H
#include "app_settings.h"
#include "glad/glad.h"
#include "ui.h"
#include <GLFW/glfw3.h>
#include <cglm/types.h>
#include <stdbool.h>
 
/* UI Scaling and Layout Defaults */
static const float DEFAULT_BASE_RESOLUTION_HEIGHT = 1080.0F;
static const float DEFAULT_KBD_KEY_SIZE = 60.0F;
static const float DEFAULT_KBD_KEY_PADDING = 10.0F;
static const float DEFAULT_KBD_KEY_RADIUS = 10.0F;
static const float DEFAULT_KBD_LABEL_SCALE = 0.75F;
static const float DEFAULT_KBD_TITLE_Y_OFFSET = 140.0F;
static const float DEFAULT_KBD_DETAIL_Y_OFFSET = 100.0F;
 
/* Layout and Framing */
static const float LUMINANCE_EPSILON = 0.0001F;
static const float UI_CENTER_FACTOR = 0.5F;
static const float GRAPH_TEXT_PADDING = 20.0F;
static const float DEBUG_TEXT_Y_OFFSET = DEFAULT_FONT_SIZE * 4.0F;
 
/* Legend Layout Factors */
static const float LEGEND_Y_FACTOR = 0.6F;
static const float LEGEND_X_START_FACTOR = 0.25F;
static const float LEGEND_STEP_FACTOR = 0.18F;
static const float LEGEND_COMBO_STEP_MULT = 1.9F;
 
/* Histogram and Graph Limits */
static const float GRAPH_POS_X = 20.0F;
static const float GRAPH_POS_Y_OFF = 200.0F;
static const float GRAPH_DIM_W = 300.0F;
static const float GRAPH_DIM_H = 100.0F;
enum { HISTO_BUCKETS = 256 };
 
/* Cyberpunk overlay visual tweaks */
static const float DEFAULT_KBD_BLOOM_SCALE = 1.3F;
static const float DEFAULT_KBD_UNBOUND_ALPHA = 0.22F;
static const float DEFAULT_KBD_BOUND_ALPHA = 0.88F;
static const float PANEL_FRAME_ALPHA = 0.72F;
static const float BLOOM_MAX_INTENSITY = 0.5F;
static const float GLOW_HOVER_ALPHA = 0.6F;
static const float BLOOM_PRESS_MAX_ALPHA = 0.9F;
static const float HELP_BG_ALPHA = 0.88F;
static const float KEY_PRESSED_ALPHA = 0.95F;
static const float KEY_DEFAULT_ALPHA = 0.4F;
static const float KEY_PRESS_BRIGHTEN_MIN = 0.6F;
static const float HELP_TEXT_ALPHA = 0.8F;
static const float HELP_EXIT_HINT_X_OFF = 300.0F;
static const float HELP_EXIT_HINT_Y_OFF = 50.0F;
 
/* UI Colors */
static const vec3 KEY_COLOR_DEFAULT = {0.15F, 0.15F, 0.20F};
static const vec3 KEY_COLOR_TOGGLE = {0.0F, 0.82F, 0.92F};
static const vec3 KEY_COLOR_CYCLE = {0.12F, 0.90F, 0.12F};
static const vec3 KEY_COLOR_COMBINATION = {1.0F, 0.56F, 0.05F};
static const vec3 HELP_BG_COLOR = {0.05F, 0.05F, 0.07F};
static const vec3 CYBER_TITLE_COLOR = {0.0F, 0.90F, 0.95F};
static const vec3 ENV_TEXT_COLOR = {0.7F, 0.7F, 0.7F};
static const vec3 GRAPH_TEXT_COLOR = {0.8F, 0.8F, 0.8F};
static const vec3 DEBUG_ORANGE_COLOR = {1.0F, 0.5F, 0.0F};
static const vec3 HISTO_BAR_COLOR_GREEN = {0.0F, 0.7F, 0.0F};
static const vec3 HISTO_BAR_COLOR_BLUE = {0.0F, 0.5F, 0.8F};
static const vec3 HISTO_BAR_COLOR_RED = {0.8F, 0.5F, 0.0F};
 
/* Animation and Timing */
static const float GLOBAL_DIM_MAX_FALLOFF = 0.7F;
static const float GLOBAL_DIM_SMOOTH_FACTOR = 15.0F;
static const double HOVER_DECAY_DURATION = 0.15;
static const float HELP_PRESS_DURATION = 2.0F;
 
/* Loading Indicator and Spinner */
static const double UI_SPINNER_SPEED = 10.0;
static const float UI_LOADING_TEXT_WIDTH_FACTOR = 20.0F;
static const float UI_SPINNER_SIZE = 64.0F;
static const float UI_TEXT_OFFSET_FACTOR = 0.8F;
static const vec3 UI_SPINNER_COLOR = {90.0F / 255.0F, 111.0F / 255.0F,
                                      185.0F / 255.0F};
enum { UI_LOADING_TEXT_SIZE = 64 };
 
/* UI Buffers and Limits */
enum {
    DEBUG_TEXT_BUFFER_SIZE = 128,
    RANGE_TEXT_BUFFER_SIZE = 64,
    ENV_TEXT_BUFFER_SIZE = 256,
    EXPOSURE_TEXT_BUFFER_SIZE = 64,
    MODIFIER_BUFFER_SIZE = 16,
    KEYBOARD_BUFFER_SIZE = 256
};
 
enum {
    ROW_SYSTEM = 0,
    ROW_NUMBERS = 1,
    ROW_QWERTY = 2,
    ROW_ASDF = 3,
    ROW_ZXCV = 4,
    ROW_BOTTOM = 5
};
 
typedef struct {
    int key;
    int row;
    float x_off; /* In units of KEY_SIZE + KEY_PADDING */
    float width; /* In units of KEY_SIZE */
    const char* label;
} KeyPos;
 
typedef struct {
    float key_size;
    float key_padding;
    float key_radius;
    float label_scale;
    float title_y_offset;
    float detail_y_offset;
} KeyboardLayoutConfig;
 
static const KeyPos KEY_LAYOUT_QWERTY[] = {
    /* Row 0: Esc + Func */
    {GLFW_KEY_ESCAPE, ROW_SYSTEM, 0.0F, 1.0F, "Esc"},
    {GLFW_KEY_F1, ROW_SYSTEM, 2.0F, 1.0F, "F1"},
    {GLFW_KEY_F2, ROW_SYSTEM, 3.0F, 1.0F, "F2"},
    {GLFW_KEY_F3, ROW_SYSTEM, 4.0F, 1.0F, "F3"},
    {GLFW_KEY_F4, ROW_SYSTEM, 5.0F, 1.0F, "F4"},
    {GLFW_KEY_F5, ROW_SYSTEM, 6.5F, 1.0F, "F5"},
    {GLFW_KEY_F6, ROW_SYSTEM, 7.5F, 1.0F, "F6"},
    {GLFW_KEY_F7, ROW_SYSTEM, 8.5F, 1.0F, "F7"},
    {GLFW_KEY_F8, ROW_SYSTEM, 9.5F, 1.0F, "F8"},
    {GLFW_KEY_F9, ROW_SYSTEM, 11.5F, 1.0F, "F9"},
    {GLFW_KEY_F10, ROW_SYSTEM, 12.5F, 1.0F, "F10"},
    {GLFW_KEY_F11, ROW_SYSTEM, 13.5F, 1.0F, "F11"},
    {GLFW_KEY_F12, ROW_SYSTEM, 14.5F, 1.2F, "F12"},
 
    /* Row 1: Numbers/Symbols */
    {GLFW_KEY_GRAVE_ACCENT, ROW_NUMBERS, 0.0F, 1.0F, "~"},
    {GLFW_KEY_1, ROW_NUMBERS, 1.0F, 1.0F, "1"},
    {GLFW_KEY_2, ROW_NUMBERS, 2.0F, 1.0F, "2"},
    {GLFW_KEY_3, ROW_NUMBERS, 3.0F, 1.0F, "3"},
    {GLFW_KEY_4, ROW_NUMBERS, 4.0F, 1.0F, "4"},
    {GLFW_KEY_5, ROW_NUMBERS, 5.0F, 1.0F, "5"},
    {GLFW_KEY_6, ROW_NUMBERS, 6.0F, 1.0F, "6"},
    {GLFW_KEY_7, ROW_NUMBERS, 7.0F, 1.0F, "7"},
    {GLFW_KEY_8, ROW_NUMBERS, 8.0F, 1.0F, "8"},
    {GLFW_KEY_9, ROW_NUMBERS, 9.0F, 1.0F, "9"},
    {GLFW_KEY_0, ROW_NUMBERS, 10.0F, 1.0F, "0"},
 
    /* Row 2: QWERTY */
    {GLFW_KEY_TAB, ROW_QWERTY, 0.0F, 1.5F, "Tab"},
    {GLFW_KEY_Q, ROW_QWERTY, 1.5F, 1.0F, "Q"},
    {GLFW_KEY_W, ROW_QWERTY, 2.5F, 1.0F, "W"},
    {GLFW_KEY_E, ROW_QWERTY, 3.5F, 1.0F, "E"},
    {GLFW_KEY_R, ROW_QWERTY, 4.5F, 1.0F, "R"},
    {GLFW_KEY_T, ROW_QWERTY, 5.5F, 1.0F, "T"},
    {GLFW_KEY_Y, ROW_QWERTY, 6.5F, 1.0F, "Y"},
    {GLFW_KEY_U, ROW_QWERTY, 7.5F, 1.0F, "U"},
    {GLFW_KEY_I, ROW_QWERTY, 8.5F, 1.0F, "I"},
    {GLFW_KEY_O, ROW_QWERTY, 9.5F, 1.0F, "O"},
    {GLFW_KEY_P, ROW_QWERTY, 10.5F, 1.0F, "P"},
 
    /* Row 3: ASDF */
    {GLFW_KEY_CAPS_LOCK, ROW_ASDF, 0.0F, 1.8F, "Caps"},
    {GLFW_KEY_A, ROW_ASDF, 1.8F, 1.0F, "A"},
    {GLFW_KEY_S, ROW_ASDF, 2.8F, 1.0F, "S"},
    {GLFW_KEY_D, ROW_ASDF, 3.8F, 1.0F, "D"},
    {GLFW_KEY_F, ROW_ASDF, 4.8F, 1.0F, "F"},
    {GLFW_KEY_G, ROW_ASDF, 5.8F, 1.0F, "G"},
    {GLFW_KEY_H, ROW_ASDF, 6.8F, 1.0F, "H"},
    {GLFW_KEY_J, ROW_ASDF, 7.8F, 1.0F, "J"},
    {GLFW_KEY_K, ROW_ASDF, 8.8F, 1.0F, "K"},
    {GLFW_KEY_L, ROW_ASDF, 9.8F, 1.0F, "L"},
 
    /* Row 4: ZXCV */
    {GLFW_KEY_LEFT_SHIFT, ROW_ZXCV, 0.0F, 2.3F, "Shift"},
    {GLFW_KEY_Z, ROW_ZXCV, 2.3F, 1.0F, "Z"},
    {GLFW_KEY_X, ROW_ZXCV, 3.3F, 1.0F, "X"},
    {GLFW_KEY_C, ROW_ZXCV, 4.3F, 1.0F, "C"},
    {GLFW_KEY_V, ROW_ZXCV, 5.3F, 1.0F, "V"},
    {GLFW_KEY_B, ROW_ZXCV, 6.3F, 1.0F, "B"},
    {GLFW_KEY_N, ROW_ZXCV, 7.3F, 1.0F, "N"},
    {GLFW_KEY_M, ROW_ZXCV, 8.3F, 1.0F, "M"},
 
    /* Row 5: Space/System */
    {GLFW_KEY_LEFT_CONTROL, ROW_BOTTOM, 0.0F, 1.5F, "Ctrl"},
    {GLFW_KEY_SPACE, ROW_BOTTOM, 3.8F, 6.0F, "Space"},
    {GLFW_KEY_PAGE_UP, ROW_ZXCV, 13.5F, 1.3F, "PgUp"},
    {GLFW_KEY_PAGE_DOWN, ROW_BOTTOM, 13.5F, 1.3F, "PgDn"},
    {GLFW_KEY_UP, ROW_ZXCV, 15.0F, 1.0F, "Up"},
    {GLFW_KEY_DOWN, ROW_BOTTOM, 15.0F, 1.0F, "Dn"}};
 
typedef struct {
    UIContext ui;
    KeyboardLayoutConfig kbd_config;
 
    int show_help;
    int show_info_overlay;
    int text_overlay_mode;
    int show_exposure_debug;
 
    int help_hovered_key;
    int help_pressed_key;
    int help_pressed_mods;
    double help_press_timer;
    double help_global_dim;
    double help_hover_decay; 
    /* Cyberpunk keyboard overlay textures (PNG assets) */
    GLuint
        kbd_tex_frame; 
    GLuint
        kbd_tex_key_base; 
    int help_captured_camera;
} AppUIOverlay;
 
typedef struct App App;
 
void app_draw_help_overlay(const App* app);
 
void app_draw_debug_overlay(const App* app);
 
void app_render_ui(const App* app);
 
/* --- Internal helper functions --- */
 
int compute_luminance_histogram(const App* app, int* buckets, int size,
                                float* min_lum, float* max_lum);
 
void app_ui_init(AppUIOverlay* overlay);
void app_ui_cleanup(AppUIOverlay* overlay);
void app_ui_update(AppUIOverlay* overlay, double delta_time);
void app_ui_handle_mouse(AppUIOverlay* overlay, double xpos, double ypos,
                         int width, int height);
 
#endif /* APP_UI_H */