refactor: src/config.h

1 files changed, 89 insertions, 0 deletions

diff --git a/src/config.h b/src/config.h
new file mode 100644
index 0000000..7dea51e
--- /dev/null
+++ b/src/config.h
@@ -0,0 +1,89 @@
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#include <X11/keysym.h>
+
+typedef struct {
+    // camera settings
+    float min_scale;              // minimum allowed zoom scale
+    float scroll_speed;           // speed of zoom when scrolling or using +/- keys
+    float drag_friction;          // friction coefficient for camera movement inertia
+    float scale_friction;         // friction coefficient for zoom inertia
+    float velocity_threshold;     // minimum velocity to apply inertia
+    float scale_change_threshold; // minimum magnitude to update camera zoom (skip minor changes)
+
+    // flashlight settings
+    float initial_radius;          // starting flashlight radius
+    float initial_delta_radius;    // initial delta for flashlight radius change per Ctrl+scroll
+    float radius_damping;          // radius attenuation coefficient
+    float fade_speed;              // speed of flashlight fade in/out
+    float max_shadow_opacity;      // maximum shadow opacity
+    float radius_change_threshold; // minimum magnitude to update flashlight radius (skip minor changes)
+    float feather;                 // soft edge size as percentage of radius (0.0 to 0.5, e.g., 0.15 = 15%)
+
+    // opengl settings
+    int texture_filter;  // 0 = pixelated, 1 = smooth
+
+    // key bindings
+    KeySym       key_escape;          // key to quit the program
+    KeySym       key_flashlight;      // key to toggle flashlight
+    KeySym       key_reset;           // key to reset state
+    KeySym       key_mirror;          // key to toggle mirror
+    KeySym       key_zoom_in;         // key to zoom in
+    KeySym       key_zoom_out;        // key to zoom out
+    unsigned int modifier_flashlight; // modifier for flashlight radius change (e.g., ControlMask)
+
+    // mouse bindings
+    unsigned int button_drag;     // mouse button for dragging
+    unsigned int button_zoom_in;  // mouse button for zoom in (scroll up)
+    unsigned int button_zoom_out; // mouse button for zoom out (scroll down)
+} Config;
+
+#ifdef CONFIG_IMPL
+
+// you can hack these values
+Config default_config = {
+    // camera settings
+    .min_scale              = 0.5f,
+    .scroll_speed           = 1.5f,
+    .drag_friction          = 6.0f,
+    .scale_friction         = 4.0f,
+    .velocity_threshold     = 15.0f,
+    .scale_change_threshold = 0.5f,
+
+    // flashlight settings
+    .initial_radius          = 200.0f,
+    .initial_delta_radius    = 250.0f,
+    .radius_damping          = 10.0f,
+    .fade_speed              = 6.0f,
+    .max_shadow_opacity      = 0.8f,
+    .radius_change_threshold = 1.0f,
+    .feather                 = 0.0f,
+
+    // opengl settings
+    .texture_filter = 0,
+
+    // key bindings
+    .key_escape     = XK_Escape,
+    .key_flashlight = XK_f,
+    .key_reset      = XK_0,
+    .key_mirror     = XK_m,
+    .key_zoom_in    = XK_equal,
+    .key_zoom_out   = XK_minus,
+
+    // Ctrl = ControlMask,
+    // Left Alt = Mod1Mask,
+    // Shift = ShiftMask,
+    // Ctrl or Shift = ControlMask | ShiftMask,
+    // etc.
+    .modifier_flashlight = ControlMask,
+
+    // mouse bindings
+    .button_drag     = Button1,
+    .button_zoom_in  = Button4,
+    .button_zoom_out = Button5,
+};
+
+#endif // CONFIG_IMPL
+
+#endif // CONFIG_H