scale.h File Reference

Defines the theme and functionality for a scale (slider) widget. More...

#include "../animate.h"
#include "../collision.h"
#include "../draw.h"

Go to the source code of this file.

Data Structures
struct	gmwScaleTheme
	Structure defining the visual theme for a scale (slider) widget. More...

Functions
int	gmw_scale_anim (double x, double y, double width, double height, double *value, double *anim)
	Creates and renders an animated scale (slider) widget that can be manipulated with the mouse.

Variables
gmwScaleTheme	gmwScale
	Global scale theme instance with default values.

Detailed Description

Defines the theme and functionality for a scale (slider) widget.

This file provides structures for customizing the appearance of a slider control and a function to render an interactive slider that allows users to select a value within a range.

Function Documentation

gmw_scale_anim()

int gmw_scale_anim	(	double	x,
		double	y,
		double	width,
		double	height,
		double *	value,
		double *	anim )

Creates and renders an animated scale (slider) widget that can be manipulated with the mouse.

This function draws a slider, tracks mouse interaction to update its value, and animates the knob's position.

Parameters

x	The x-coordinate of the scale's center.
y	The y-coordinate of the scale's center.
width	The width of the scale track.
height	The height of the scale track.
value	Pointer to a double to store the current scale value (0.0 to 1.0). This value is updated by user interaction.
anim	Pointer to a double for the animated visual position of the knob. If NULL, value is used for the knob's position (non-animated).

Returns

1 if the scale is currently being actively manipulated (mouse button down and hovering), 0 otherwise.

Variable Documentation

gmwScale

gmwScaleTheme gmwScale

Initial value:

= {.enabled = 1,
                          .scale = 1.0,
 
                          .background = 0x3A2A3AE0,
                          .border = 0x7F4F7FFF,
 
                          .focussed = {.scale = 1.03, .border = 0xAA77AAFF},
                          .active = {.scale = 0.97, .border = 0x7F4F7FFF},
 
                          .knob = 0xAA77AAFF,
                          .knob_border = 0x6F3F6FFF,
 
                          .border_width = 0.01,
                          .step = 0.0}

Global scale theme instance with default values.