lib/ewl_scrollpane.c File Reference

#include "ewl_base.h"
#include "ewl_overlay.h"
#include "ewl_scrollpane.h"
#include "ewl_box.h"
#include "ewl_scrollbar.h"
#include "ewl_range.h"
#include "ewl_macros.h"
#include "ewl_private.h"
#include "ewl_debug.h"
#include <math.h>

Include dependency graph for ewl_scrollpane.c:

Data Structures
struct	Ewl_Scrollpane_Scroll_Info_Embedded
	Stores information on an embedded scrollpane. More...
struct	Ewl_Scrollpane_Scroll_Info_Normal
	Stores information on a normal scrollpane. More...
Defines
#define	HIST_NUM   20
Typedefs
typedef struct Ewl_Scrollpane_Scroll_Info_Embedded	Ewl_Scrollpane_Scroll_Info_Embedded
typedef struct Ewl_Scrollpane_Scroll_Info_Normal	Ewl_Scrollpane_Scroll_Info_Normal
Functions
void	ewl_scrollpane_cb_child_resize (Ewl_Container *p, Ewl_Widget *c __UNUSED__, int size __UNUSED__, Ewl_Orientation o __UNUSED__)
void	ewl_scrollpane_cb_child_show (Ewl_Container *p, Ewl_Widget *c __UNUSED__)
void	ewl_scrollpane_cb_configure (Ewl_Widget *w, void *ev_data __UNUSED__, void *user_data __UNUSED__)
void	ewl_scrollpane_cb_destroy (Ewl_Widget *w, void *ev __UNUSED__, void *data __UNUSED__)
void	ewl_scrollpane_cb_focus_jump (Ewl_Widget *w, void *ev_data __UNUSED__, void *user_data __UNUSED__)
void	ewl_scrollpane_cb_hscroll (Ewl_Widget *w __UNUSED__, void *ev_data __UNUSED__, void *user_data)
void	ewl_scrollpane_cb_overlay_child_resize (Ewl_Container *p, Ewl_Widget *c, int size, Ewl_Orientation o)
void	ewl_scrollpane_cb_overlay_child_show (Ewl_Container *p, Ewl_Widget *c)
void	ewl_scrollpane_cb_vscroll (Ewl_Widget *w __UNUSED__, void *ev_data __UNUSED__, void *user_data)
void	ewl_scrollpane_cb_wheel_scroll (Ewl_Widget *cb, void *ev_data, void *user_data __UNUSED__)
Ewl_Scrollpane_Flags	ewl_scrollpane_hscrollbar_flag_get (Ewl_Scrollpane *s)
	Get flags for horizontal scrollbar.
void	ewl_scrollpane_hscrollbar_flag_set (Ewl_Scrollpane *s, Ewl_Scrollpane_Flags f)
	Set flags for horizontal scrollbar.
double	ewl_scrollpane_hscrollbar_step_get (Ewl_Scrollpane *s)
	Retrives the value of the stepping of the vertical scrollbar in s.
double	ewl_scrollpane_hscrollbar_value_get (Ewl_Scrollpane *s)
	Retrieves the value of the horizontal scrollbar in s.
void	ewl_scrollpane_hscrollbar_value_set (Ewl_Scrollpane *s, double val)
	Set the value of the horizontal scrollbar in s to val.
int	ewl_scrollpane_init (Ewl_Scrollpane *s)
	Initialize the fields of a scrollpane.
double	ewl_scrollpane_kinetic_dampen_get (Ewl_Scrollpane *s)
	Gets the minimum velocity for kinetic scrolling.
void	ewl_scrollpane_kinetic_dampen_set (Ewl_Scrollpane *s, double d)
	Sets the multiplier to reduce the velocity of kinetic scrolling.
int	ewl_scrollpane_kinetic_fps_get (Ewl_Scrollpane *s)
void	ewl_scrollpane_kinetic_fps_set (Ewl_Scrollpane *s, int fps)
	Sets the number of times per second to recalculate velocity and update the tree.
double	ewl_scrollpane_kinetic_max_velocity_get (Ewl_Scrollpane *s)
	Gets the maximum velocity for kinetic scrolling.
void	ewl_scrollpane_kinetic_max_velocity_set (Ewl_Scrollpane *s, double v)
	Sets the maximum velocity for kinetic scrolling.
double	ewl_scrollpane_kinetic_min_velocity_get (Ewl_Scrollpane *s)
	Gets the minimum velocity for kinetic scrolling.
void	ewl_scrollpane_kinetic_min_velocity_set (Ewl_Scrollpane *s, double v)
	Sets the minimum velocity for kinetic scrolling.
Ewl_Kinetic_Scroll	ewl_scrollpane_kinetic_scrolling_get (Ewl_Scrollpane *s)
	Gets the type of kinetic scrolling used.
void	ewl_scrollpane_kinetic_scrolling_set (Ewl_Scrollpane *s, Ewl_Kinetic_Scroll type)
	Sets up default values and callbacks for kinetic scrolling.
Ewl_Widget *	ewl_scrollpane_new (void)
	Create a new scrollpane.
Ewl_Scrollpane_Flags	ewl_scrollpane_vscrollbar_flag_get (Ewl_Scrollpane *s)
	Get flags for vertical scrollbar.
void	ewl_scrollpane_vscrollbar_flag_set (Ewl_Scrollpane *s, Ewl_Scrollpane_Flags f)
	Set flags for vertical scrollbar.
double	ewl_scrollpane_vscrollbar_step_get (Ewl_Scrollpane *s)
	Retrives the value of the stepping of the vertical scrollbar in s.
double	ewl_scrollpane_vscrollbar_value_get (Ewl_Scrollpane *s)
	Retrieves the value of the vertical scrollbar in s.
void	ewl_scrollpane_vscrollbar_value_set (Ewl_Scrollpane *s, double val)
	Set the value of the vertical scrollbar in s to val.

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Define Documentation

#define HIST_NUM   20

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Typedef Documentation

typedef struct Ewl_Scrollpane_Scroll_Info_Embedded Ewl_Scrollpane_Scroll_Info_Embedded

typedef struct Ewl_Scrollpane_Scroll_Info_Normal Ewl_Scrollpane_Scroll_Info_Normal

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Function Documentation

void ewl_scrollpane_cb_child_resize	(	Ewl_Container *	p,
		Ewl_Widget *c	__UNUSED__,
		int size	__UNUSED__,
		Ewl_Orientation o	__UNUSED__
	)

References DCHECK_PARAM_PTR, DCHECK_TYPE, DENTER_FUNCTION, DLEAVE_FUNCTION, DLEVEL_STABLE, EWL_SCROLLPANE, and EWL_SCROLLPANE_TYPE.

Referenced by ewl_scrollpane_init().

void ewl_scrollpane_cb_child_show	(	Ewl_Container *	p,
		Ewl_Widget *c	__UNUSED__
	)

References DCHECK_PARAM_PTR, DCHECK_TYPE, DENTER_FUNCTION, DLEAVE_FUNCTION, DLEVEL_STABLE, EWL_SCROLLPANE, and EWL_SCROLLPANE_TYPE.

Referenced by ewl_scrollpane_init().

void ewl_scrollpane_cb_configure	(	Ewl_Widget *	w,
		void *ev_data	__UNUSED__,
		void *user_data	__UNUSED__
	)

References Ewl_Scrollpane::box, CURRENT_H, CURRENT_W, CURRENT_X, CURRENT_Y, DCHECK_PARAM_PTR, DCHECK_TYPE, DENTER_FUNCTION, DLEAVE_FUNCTION, DLEVEL_STABLE, EWL_FLAG_FILL_FILL, EWL_FLAG_FILL_HSHRINKABLE, EWL_FLAG_FILL_VSHRINKABLE, EWL_OBJECT, ewl_object_fill_policy_get(), ewl_object_fill_policy_set(), ewl_object_geometry_request(), ewl_object_preferred_h_get(), ewl_object_preferred_w_get(), EWL_SCROLLBAR, ewl_scrollbar_step_set(), ewl_scrollbar_value_get(), EWL_SCROLLPANE, EWL_SCROLLPANE_FLAG_AUTO_VISIBLE, EWL_SCROLLPANE_FLAG_NONE, ewl_widget_hide(), ewl_widget_show(), EWL_WIDGET_TYPE, Ewl_Scrollpane::hflag, Ewl_Scrollpane::hscrollbar, Ewl_Scrollpane::overlay, Ewl_Scrollpane::vflag, VISIBLE, and Ewl_Scrollpane::vscrollbar.

Referenced by ewl_scrollpane_init().

void ewl_scrollpane_cb_destroy	(	Ewl_Widget *	w,
		void *ev	__UNUSED__,
		void *data	__UNUSED__
	)

References DCHECK_PARAM_PTR, DCHECK_TYPE, DENTER_FUNCTION, DLEAVE_FUNCTION, DLEVEL_STABLE, EWL_SCROLLPANE, EWL_SCROLLPANE_TYPE, and FREE.

void ewl_scrollpane_cb_focus_jump	(	Ewl_Widget *	w,
		void *ev_data	__UNUSED__,
		void *user_data	__UNUSED__
	)

References Ewl_Scrollpane::box, CURRENT_H, CURRENT_W, CURRENT_X, CURRENT_Y, DCHECK_PARAM_PTR, DCHECK_TYPE, DENTER_FUNCTION, DLEAVE_FUNCTION, DLEVEL_STABLE, DRETURN, ewl_embed_focused_widget_get(), ewl_embed_widget_find(), EWL_OBJECT, ewl_object_current_geometry_get(), ewl_object_current_x_get(), ewl_object_current_y_get(), ewl_object_preferred_h_get(), ewl_object_preferred_w_get(), EWL_SCROLLBAR, ewl_scrollbar_value_set(), EWL_SCROLLPANE, EWL_SCROLLPANE_TYPE, ewl_widget_onscreen_is(), ewl_widget_parent_of(), Ewl_Scrollpane::hscrollbar, Ewl_Scrollpane::overlay, and Ewl_Scrollpane::vscrollbar.

Referenced by ewl_scrollpane_init().

void ewl_scrollpane_cb_hscroll	(	Ewl_Widget *w	__UNUSED__,
		void *ev_data	__UNUSED__,
		void *	user_data
	)

References DCHECK_PARAM_PTR, DENTER_FUNCTION, DLEAVE_FUNCTION, DLEVEL_STABLE, ewl_callback_call(), EWL_CALLBACK_VALUE_CHANGED, and ewl_widget_configure().

Referenced by ewl_scrollpane_init().

void ewl_scrollpane_cb_vscroll	(	Ewl_Widget *w	__UNUSED__,
		void *ev_data	__UNUSED__,
		void *	user_data
	)

References DCHECK_PARAM_PTR, DENTER_FUNCTION, DLEAVE_FUNCTION, DLEVEL_STABLE, ewl_callback_call(), EWL_CALLBACK_VALUE_CHANGED, and ewl_widget_configure().

Referenced by ewl_scrollpane_init().

void ewl_scrollpane_cb_wheel_scroll	(	Ewl_Widget *	cb,
		void *	ev_data,
		void *user_data	__UNUSED__
	)

References DCHECK_PARAM_PTR, DCHECK_TYPE, DENTER_FUNCTION, DLEAVE_FUNCTION, DLEVEL_STABLE, EWL_SCROLLPANE, ewl_scrollpane_vscrollbar_step_get(), ewl_scrollpane_vscrollbar_value_get(), ewl_scrollpane_vscrollbar_value_set(), EWL_WIDGET_TYPE, and Ewl_Event_Mouse_Wheel::z.

Referenced by ewl_scrollpane_init().