custom_button.h

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// SPDX-FileCopyrightText: © 2019-2022 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#ifndef __GUI_WIDGETS_CUSTOM_BUTTON_H__
#define __GUI_WIDGETS_CUSTOM_BUTTON_H__
 
#include <gtk/gtk.h>
 
#define CUSTOM_BUTTON_WIDGET_MAX_TRANSITION_FRAMES 9
 
typedef enum CustomButtonWidgetState
{
  CUSTOM_BUTTON_WIDGET_STATE_NORMAL,
  CUSTOM_BUTTON_WIDGET_STATE_HOVERED,
  CUSTOM_BUTTON_WIDGET_STATE_ACTIVE,
  CUSTOM_BUTTON_WIDGET_STATE_TOGGLED,
 
  CUSTOM_BUTTON_WIDGET_STATE_SEMI_TOGGLED,
} CustomButtonWidgetState;
 
typedef enum CustomButtonWidgetOwner
{
  CUSTOM_BUTTON_WIDGET_OWNER_TRACK,
  CUSTOM_BUTTON_WIDGET_OWNER_LANE,
  CUSTOM_BUTTON_WIDGET_OWNER_AT,
} CustomButtonWidgetOwner;
 
typedef struct CustomButtonWidget
{
  // void (*press_cb) (void *);
 
  // int          is_toggle;
 
  GdkRGBA def_color;
 
  GdkRGBA hovered_color;
 
  GdkRGBA toggled_color;
 
  GdkRGBA held_color;
 
  char icon_name[120];
 
  int size;
 
  int width;
 
  // int         hovered;
 
  // int         pressed;
 
  double aspect;
 
  double corner_radius;
 
  // void *       obj;
 
  GdkTexture * icon_texture;
 
  CustomButtonWidgetState last_state;
 
  CustomButtonWidgetOwner owner_type;
 
  void * owner;
 
  GdkRGBA last_color;
 
  char * text;
 
  int text_height;
 
  PangoLayout * layout;
 
  double x;
  double y;
 
  unsigned int button_id;
 
  int transition_frames;
 
} CustomButtonWidget;
 
CustomButtonWidget *
custom_button_widget_new (const char * icon_name, int size);
 
void
custom_button_widget_draw (
  CustomButtonWidget *    self,
  GtkSnapshot *           snapshot,
  double                  x,
  double                  y,
  CustomButtonWidgetState state);
 
void
custom_button_widget_draw_with_text (
  CustomButtonWidget *    self,
  GtkSnapshot *           snapshot,
  double                  x,
  double                  y,
  double                  width,
  CustomButtonWidgetState state);
 
void
custom_button_widget_set_text (
  CustomButtonWidget * self,
  PangoLayout *        layout,
  char *               text,
  const char *         font_descr);
 
void
custom_button_widget_free (CustomButtonWidget * self);
 
#endif