Callbacks of the OpenGL window. More...

#include "global.h"
#include "interface.h"
#include "initcoord.h"
#include "bind.h"
#include "project.h"
#include "glview.h"

Include dependency graph for glview.c:

Go to the source code of this file.

Functions
void	process_the_hits (glwin *view, gint event_button, double ptx, double pty)
	process a mouse click

void	arc_ball_rotation (glwin *view, int x, int y)
	Perform arcball rotation.

vec3_t	get_arc_ball_vector (glwin *view, int x, int y)

Light	init_light_source (int type, float val, float vbl)
	initialize a light source

void	rotate_quat (project *this_proj, vec4_t q, int status, int axis)
	rotate using quaternion

void	translate (project *this_proj, int status, int axis, vec3_t trans)
	translate

vec3_t	get_bary (project *this_proj, int status)
	get barycenter of atomic coordinates

void	update_labels (glwin *view)
	update labels (on representation data update)

void	prepare_atom_edition (gpointer data, gboolean visible)
	prepare atom edition

atom_search *	allocate_atom_search (int proj, int action, int searchid, int tsize)
	allocate atom search data structure

int	action_atoms_from_project (project this_proj, atom_search asearch, gboolean visible)
	apply atom edition action to project (motion, remove, replace, insert, random move)

atomic_object *	create_object_from_frag_mol (project this_proj, int coord, int geo, atom_search remove)
	create object from a fragment or a molecule

GLuint *	allocgluint (int val)
	allocate a GLuint * pointer

GLuint **	allocdgluint (int xal, int yal)
	allocate a GLuint ** pointer

GLfloat **	allocdGLfloat (int xal, int yal)
	allocate a GLfloat ** pointer

ColRGBA	set_default_color (int z)
	pick the default color for an atom

void	update_bonds_ (int bd, int stp, int bdim, int bda[bdim], int bdb[bdim], double x, double y, double z)
	update bonding information from Fortran90

void	sort (int dim, int *tab)
	sort, nim to max, a table by integer value

void	update_atom_neighbors_ (int stp, int at, int *nv)
	update an atom number of neighbors from Fortran90

void	update_this_neighbor_ (int stp, int at, int iv, int nv)
	update atom neighbor list from Fortran90

void	update (glwin *view)
	update the rendering of the OpenGL window

void	transform (glwin *view, double aspect)
	transform the OpenGL window

void	reshape (glwin *view, int width, int height, gboolean use_ratio)
	reshape (resize) the OpenGL window

void	save_rotation_quaternion (glwin *view)
	save the rotation quaternion of the last image

void	edit_for_motion (glwin *view)
	if edition mode is one some steps are required

void	motion (glwin *view, gint x, gint y, GdkModifierType state)
	mouse motion in the OpenGL window

G_MODULE_EXPORT void	on_glwin_pointer_motion (GtkEventControllerMotion *motc, gdouble x, gdouble y, gpointer data)
	handle mouse motion event in the OpenGL window GTK4

void	render_this_gl_window (glwin view, GtkWidget widg, gint button)
	render the OpenGL window

void	glwin_lib_pressed (double x, double y, guint event_type, guint event_button, gpointer data)
	handle mouse button event on the molecular library OpenGL window

G_MODULE_EXPORT void	on_lib_button_pressed (GtkGesture *gesture, int n_press, double x, double y, gpointer data)
	handle mouse button press event on the molecular library OpenGL window (limited interaction)

G_MODULE_EXPORT void	on_lib_button_released (GtkGesture *gesture, int n_press, double x, double y, gpointer data)
	handle mouse button release event on the molecular library OpenGL window (limited interaction)

void	glwin_button_event (double event_x, double event_y, guint event_button, guint event_type, guint32 event_time, gpointer data)
	handle mouse button event on the OpenGL window

G_MODULE_EXPORT void	on_glwin_button_pressed (GtkGesture *gesture, int n_press, double x, double y, gpointer data)
	mouse button pressed signal on the OpenGL window

G_MODULE_EXPORT void	on_glwin_button_released (GtkGesture *gesture, int n_press, double x, double y, gpointer data)
	mouse button released signal on the OpenGL window

void	zoom (glwin *view, int delta)
	zoom in or zoom out in the OpenGL window

G_MODULE_EXPORT gboolean	on_glwin_pointer_scoll (GtkEventControllerScroll *event, gdouble dx, gdouble dy, gpointer data)
	handle mouse scroll event on the OpenGL window

void	rotate_x_y (glwin *view, double angle_x, double angle_y)
	rotate the OpenGL camera

void	init_camera (project *this_proj, int get_depth)
	intialize the OpenGL camera settings

void	image_init_spec_data (image img, project this_proj, int nsp)
	initialize the chemical species related pointers in an image data structure

void	set_img_lights (project this_proj, image img)
	initialize lightning for an image data structure

void	init_img (project *this_proj)
	initialize an image data structure

gboolean	is_GLExtension_Supported (const char *extension)
	test if this GLExtension is support

void	init_opengl ()
	initialize OpenGL rendering parameters

void	center_molecule (project *this_proj)
	center atomic coordinates around (0,0,0)

void	center_this_molecule (glwin *view)
	center atomic coordinates around (0,0,0) and refresh shaders

void	free_glwin_spec_data (project *this_proj, int spec)
	free the memory used by the chemical species related data in a glwin data structure

void	glwin_init_spec_data (project *this_proj, int nspec)
	initialize the glwin chemical species related pointers

void	init_glwin (glwin *view)
	initialize a glwin pointer

GError *	init_gtk_gl_area (GtkGLArea *area)
	initialize a GtkGLArea, return error if any

G_MODULE_EXPORT void	on_realize (GtkWidget *widg, gpointer data)
	realize event for the OpenGL widget

G_MODULE_EXPORT gboolean	on_expose (GtkWidget widg, cairo_t cr, gpointer data)
	OpenGL rendering widget expose event callback GTK3.

Variables
vec3_t	arc_ball_init

vec4_t	old_rotation_quaternion

GLenum	ogl_texture

const float	light_pos [MAX_LIGHTS][4]

gl_pop_info	to_pop

Detailed Description

Callbacks of the OpenGL window.

Author: Sébastien Le Roux sebas.nosp@m.tien.nosp@m..lero.nosp@m.ux@i.nosp@m.pcms..nosp@m.unis.nosp@m.tra.f.nosp@m.r

Definition in file glview.c.

Function Documentation

◆ action_atoms_from_project()

int action_atoms_from_project	(	project *	this_proj,
		atom_search *	asearch,
		gboolean	visible )

extern

apply atom edition action to project (motion, remove, replace, insert, random move)

Parameters

this_proj	the target project
asearch	the target atom search
visible	is the 'model edition' window visible (1/0)

Definition at line 206 of file atom_action.c.

◆ allocate_atom_search()

atom_search * allocate_atom_search	(	int	proj,
		int	action,
		int	searchid,
		int	tsize )

extern

allocate atom search data structure

Parameters

proj	the target project id
action	the edition action
searchid	the atom search id
tsize	the atom search object list size

Definition at line 392 of file atom_edit.c.

◆ allocdGLfloat()

GLfloat ** allocdGLfloat	(	int	xal,
		int	yal )

allocate a GLfloat ** pointer

Parameters

xal	1st dimension size of the pointer to allocate
yal	2nd dimension size of the pointer to allocate

Definition at line 161 of file glview.c.

◆ allocdgluint()

GLuint ** allocdgluint	(	int	xal,
		int	yal )

allocate a GLuint ** pointer

Parameters

xal	1st dimension size of the pointer to allocate
yal	2nd dimension size of the pointer to allocate

Definition at line 139 of file glview.c.

◆ allocgluint()

GLuint * allocgluint ( int val )

allocate a GLuint * pointer

Parameters

val	size of the pointer to allocate

Definition at line 123 of file glview.c.

◆ arc_ball_rotation()

void arc_ball_rotation	(	glwin *	view,
		int	x,
		int	y )

extern

Perform arcball rotation.

Parameters

view	the target glwin
x	x position
y	y position

Definition at line 73 of file arcball.c.

◆ center_molecule()

void center_molecule ( project * this_proj )

center atomic coordinates around (0,0,0)

Parameters

this_proj the target project

Definition at line 1441 of file glview.c.

◆ center_this_molecule()

void center_this_molecule ( glwin * view )

center atomic coordinates around (0,0,0) and refresh shaders

Parameters

view	the target glwin

Definition at line 1522 of file glview.c.

◆ create_object_from_frag_mol()

atomic_object * create_object_from_frag_mol	(	project *	this_proj,
		int	coord,
		int	geo,
		atom_search *	remove )

extern

create object from a fragment or a molecule

Parameters

this_proj	the target project
coord	2 = fragment, 3 = molecule
geo	fragment or molecule id
remove	remove search, if any

Definition at line 928 of file atom_object.c.

◆ edit_for_motion()

void edit_for_motion ( glwin * view )

if edition mode is one some steps are required

Parameters

view	the target glwin

Definition at line 560 of file glview.c.

◆ free_glwin_spec_data()

void free_glwin_spec_data	(	project *	this_proj,
		int	spec )

free the memory used by the chemical species related data in a glwin data structure

Parameters

this_proj	the target project
spec	the number of chemical species

Definition at line 1543 of file glview.c.

◆ get_arc_ball_vector()

vec3_t get_arc_ball_vector	(	glwin *	view,
		int	x,
		int	y )

extern

Definition at line 46 of file arcball.c.

◆ get_bary()

vec3_t get_bary	(	project *	this_proj,
		int	status )

extern

get barycenter of atomic coordinates

Parameters

this_proj	the target project
status	selection status, 0 = non selected atom(s), 1 = selected atom(s), 2 = all atom(s)

Definition at line 170 of file atom_move.c.

◆ glwin_button_event()

void glwin_button_event	(	double	event_x,
		double	event_y,
		guint	event_button,
		guint	event_type,
		guint32	event_time,
		gpointer	data )

handle mouse button event on the OpenGL window

Parameters

event_x	x position
event_y	y position
event_button	event button
event_type	event type
event_time	event time
data	the associated data pointer

Definition at line 888 of file glview.c.

◆ glwin_init_spec_data()

void glwin_init_spec_data	(	project *	this_proj,
		int	nspec )

initialize the glwin chemical species related pointers

Parameters

this_proj	the target project
nspec	the number of chemical species

Definition at line 1588 of file glview.c.

◆ glwin_lib_pressed()

void glwin_lib_pressed	(	double	x,
		double	y,
		guint	event_type,
		guint	event_button,
		gpointer	data )

handle mouse button event on the molecular library OpenGL window

Parameters

x	x position
y	y position
event_type	event type
event_button	event button
data	the associated data pointer

Definition at line 800 of file glview.c.

◆ image_init_spec_data()

void image_init_spec_data	(	image *	img,
		project *	this_proj,
		int	nsp )

initialize the chemical species related pointers in an image data structure

Parameters

img	the target image
this_proj	the target project
nsp	the number of chemical species

Definition at line 1190 of file glview.c.

◆ init_camera()

void init_camera	(	project *	this_proj,
		int	get_depth )

intialize the OpenGL camera settings

Parameters

this_proj	the target project
get_depth	estimate the OpenGL depth ? (1/0)

Definition at line 1132 of file glview.c.

◆ init_glwin()

void init_glwin ( glwin * view )

initialize a glwin pointer

Parameters

view	the target glwin

Definition at line 1653 of file glview.c.

◆ init_gtk_gl_area()

GError * init_gtk_gl_area ( GtkGLArea * area )

initialize a GtkGLArea, return error if any

Parameters

area	the GtkGLArea point to initialize

Definition at line 1703 of file glview.c.

◆ init_img()

void init_img ( project * this_proj )

initialize an image data structure

Parameters

this_proj the target project

Definition at line 1279 of file glview.c.

◆ init_light_source()

Light init_light_source	(	int	type,
		float	val,
		float	vbl )

extern

initialize a light source

Parameters

type	the type of light
val
vbl

Definition at line 324 of file w_advance.c.

◆ init_opengl()

void init_opengl ( )

initialize OpenGL rendering parameters

Definition at line 1390 of file glview.c.

◆ is_GLExtension_Supported()

gboolean is_GLExtension_Supported ( const char * extension )

test if this GLExtension is support

Parameters

extension the target GLExtension

Definition at line 1373 of file glview.c.

◆ motion()

void motion	(	glwin *	view,
		gint	x,
		gint	y,
		GdkModifierType	state )

mouse motion in the OpenGL window

Parameters

view	the target glwin
x	x position
y	y position
state	The keyboard modifier (Ctrl, Alt ...)

Definition at line 626 of file glview.c.

◆ on_expose()

G_MODULE_EXPORT gboolean on_expose	(	GtkWidget *	widg,
		cairo_t *	cr,
		gpointer	data )

OpenGL rendering widget expose event callback GTK3.

Parameters

widg	the GtkWidget sending the signal
cr	the cairo drawing context to use for the draw
data	the associated data pointer

Definition at line 1794 of file glview.c.

◆ on_glwin_button_pressed()

G_MODULE_EXPORT void on_glwin_button_pressed	(	GtkGesture *	gesture,
		int	n_press,
		double	x,
		double	y,
		gpointer	data )

mouse button pressed signal on the OpenGL window

Parameters

gesture	the GtkGesture sending the signal
n_press	number of times it was pressed
x	x position
y	y position
data	the associated data pointer

Definition at line 975 of file glview.c.

◆ on_glwin_button_released()

G_MODULE_EXPORT void on_glwin_button_released	(	GtkGesture *	gesture,
		int	n_press,
		double	x,
		double	y,
		gpointer	data )

mouse button released signal on the OpenGL window

Parameters

gesture	the GtkGesture sending the signal
n_press	number of times it was pressed
x	x position
y	y position
data	the associated data pointer

Definition at line 991 of file glview.c.

◆ on_glwin_pointer_motion()

G_MODULE_EXPORT void on_glwin_pointer_motion	(	GtkEventControllerMotion *	motc,
		gdouble	x,
		gdouble	y,
		gpointer	data )

handle mouse motion event in the OpenGL window GTK4

Parameters

motc	The GtkEvenController sending the signal
x	x position
y	y position
data	the associated data pointer

Definition at line 727 of file glview.c.

◆ on_glwin_pointer_scoll()

G_MODULE_EXPORT gboolean on_glwin_pointer_scoll	(	GtkEventControllerScroll *	event,
		gdouble	dx,
		gdouble	dy,
		gpointer	data )

handle mouse scroll event on the OpenGL window

Parameters

event	the GtkEventControllerScroll sending the signal
dx	x position
dy	y position
data	the associated data pointer

Definition at line 1055 of file glview.c.

◆ on_lib_button_pressed()

G_MODULE_EXPORT void on_lib_button_pressed	(	GtkGesture *	gesture,
		int	n_press,
		double	x,
		double	y,
		gpointer	data )

handle mouse button press event on the molecular library OpenGL window (limited interaction)

Parameters

gesture	the GtkGesture sending the signal
n_press	number of times it was pressed
x	x position
y	y position
data	the associated data pointer

Definition at line 852 of file glview.c.

◆ on_lib_button_released()

G_MODULE_EXPORT void on_lib_button_released	(	GtkGesture *	gesture,
		int	n_press,
		double	x,
		double	y,
		gpointer	data )

handle mouse button release event on the molecular library OpenGL window (limited interaction)

Parameters

gesture	the GtkGesture sending the signal
n_press	number of times it was pressed
x	x position
y	y position
data	the associated data pointer

Definition at line 868 of file glview.c.

◆ on_realize()

G_MODULE_EXPORT void on_realize	(	GtkWidget *	widg,
		gpointer	data )

realize event for the OpenGL widget

Parameters

widg	the GtkWidget sending the signal
data	the associated data pointer

Definition at line 1737 of file glview.c.

◆ prepare_atom_edition()

void prepare_atom_edition	(	gpointer	data,
		gboolean	visible )

extern

prepare atom edition

Parameters

data	the associated data pointer
visible	is the window visible (1/0)

Definition at line 459 of file atom_edit.c.

◆ process_the_hits()

void process_the_hits	(	glwin *	view,
		gint	event_button,
		double	ptx,
		double	pty )

extern

process a mouse click

Parameters

view	the target glwin
event_button	the event button
ptx	x position
pty	y position

Definition at line 590 of file selection.c.

◆ render_this_gl_window()

void render_this_gl_window	(	glwin *	view,
		GtkWidget *	widg,
		gint	button )

render the OpenGL window

Parameters

view	the target glwin
widg	the GtkWidget sending the signal
button	the button id

Definition at line 757 of file glview.c.

◆ reshape()

void reshape	(	glwin *	view,
		int	width,
		int	height,
		gboolean	use_ratio )

reshape (resize) the OpenGL window

Parameters

view	the target glwin
width	new with
height	new height
use_ratio	use widget rendering ratio

Definition at line 516 of file glview.c.

◆ rotate_quat()

void rotate_quat	(	project *	this_proj,
		vec4_t	q,
		int	status,
		int	axis )

extern

rotate using quaternion

Parameters

this_proj	the target project
q	rotation quaternion
status	selection status, 0 = non selected atom(s), 1 = selected atom(s), 2 = all atom(s)
axis	0 = model, 1 = eye

Definition at line 269 of file atom_move.c.

◆ rotate_x_y()

void rotate_x_y	(	glwin *	view,
		double	angle_x,
		double	angle_y )

rotate the OpenGL camera

Parameters

view	the target glwin
angle_x	camera angle on x axis
angle_y	camera angle on y axis

Definition at line 1081 of file glview.c.

◆ save_rotation_quaternion()

void save_rotation_quaternion ( glwin * view )

save the rotation quaternion of the last image

Parameters

view	the target glwin

Definition at line 543 of file glview.c.

◆ set_default_color()

ColRGBA set_default_color ( int z )

pick the default color for an atom

Parameters

z	atomic number

Definition at line 187 of file glview.c.

◆ set_img_lights()

void set_img_lights	(	project *	this_proj,
		image *	img )

initialize lightning for an image data structure

Parameters

this_proj	the target project
img	the target image

Definition at line 1252 of file glview.c.

◆ sort()

void sort	(	int	dim,
		int *	tab )

sort, nim to max, a table by integer value

Parameters

dim	the number of value
tab	the table to sort

Definition at line 380 of file glview.c.

◆ transform()

void transform	(	glwin *	view,
		double	aspect )

transform the OpenGL window

Parameters

view	the target glwin
aspect	new aspect ratio

Definition at line 458 of file glview.c.

◆ translate()

void translate	(	project *	this_proj,
		int	status,
		int	axis,
		vec3_t	trans )

extern

translate

Parameters

this_proj	the target project
status	selection status, 0 = non selected atom(s), 1 = selected atom(s), 2 = all atom(s)
axis	0 = model, 1 = eye
trans	translation vector

Definition at line 230 of file atom_move.c.

◆ update()

void update ( glwin * view )

update the rendering of the OpenGL window

Parameters

view	the target glwin

Definition at line 439 of file glview.c.

◆ update_atom_neighbors_()

void update_atom_neighbors_	(	int *	stp,
		int *	at,
		int *	nv )

update an atom number of neighbors from Fortran90

Parameters

stp	the MD step
at	atom id
nv	number of neighbor atom(s)

Definition at line 404 of file glview.c.

◆ update_bonds_()

void update_bonds_	(	int *	bd,
		int *	stp,
		int *	bdim,
		int	bda[ *bdim],
		int	bdb[ *bdim],
		double *	x,
		double *	y,
		double *	z )

update bonding information from Fortran90

Parameters

bd	bonds (0) or clones (1)
stp	the MD step
bdim	number of bonds (or clone bonds)
bda	bond "ab" list atom a
bdb	bond "ab" list atom b
x	clone(s) x coordinates
y	clone(s) y coordinates
z	clone(s) z coordinates

Definition at line 330 of file glview.c.

◆ update_labels()

void update_labels ( glwin * view )

extern

update labels (on representation data update)

Parameters

view	the target glwin

Definition at line 83 of file m_rep.c.

◆ update_this_neighbor_()

void update_this_neighbor_	(	int *	stp,
		int *	at,
		int *	iv,
		int *	nv )

update atom neighbor list from Fortran90

Parameters

stp	the MD step
at	atom id
iv	neighbor index
nv	neighbor id

Definition at line 423 of file glview.c.

◆ zoom()

void zoom	(	glwin *	view,
		int	delta )

zoom in or zoom out in the OpenGL window

Parameters

view	the target glwin
delta	the zoom modification

Definition at line 1006 of file glview.c.

Variable Documentation

◆ arc_ball_init

vec3_t arc_ball_init

extern

Definition at line 42 of file arcball.c.

◆ light_pos

const float light_pos[MAX_LIGHTS][4]

Initial value:

= {{-0.1f,  0.1f,  1.0f, 0.0f},
                                        { 1.0f,  2.0f,  0.5f, 0.0f},
                                        {-1.0f,  2.0f, -1.0f, 0.0f},
                                        {-1.0f, -1.0f,  0.0f, 0.0f}}

Definition at line 175 of file glview.c.

◆ ogl_texture

GLenum ogl_texture

Definition at line 114 of file glview.c.

◆ old_rotation_quaternion

vec4_t old_rotation_quaternion

extern

Definition at line 44 of file arcball.c.

◆ to_pop

gl_pop_info to_pop

Definition at line 874 of file glview.c.

Functions

Variables

Detailed Description

Function Documentation

◆ action_atoms_from_project()

◆ allocate_atom_search()

◆ allocdGLfloat()

◆ allocdgluint()

◆ allocgluint()

◆ arc_ball_rotation()

◆ center_molecule()

◆ center_this_molecule()

◆ create_object_from_frag_mol()

◆ edit_for_motion()

◆ free_glwin_spec_data()

◆ get_arc_ball_vector()

◆ get_bary()

◆ glwin_button_event()

◆ glwin_init_spec_data()

◆ glwin_lib_pressed()

◆ image_init_spec_data()

◆ init_camera()

◆ init_glwin()

◆ init_gtk_gl_area()

◆ init_img()

◆ init_light_source()

◆ init_opengl()

◆ is_GLExtension_Supported()

◆ motion()

◆ on_expose()

◆ on_glwin_button_pressed()

◆ on_glwin_button_released()

◆ on_glwin_pointer_motion()

◆ on_glwin_pointer_scoll()

◆ on_lib_button_pressed()

◆ on_lib_button_released()

◆ on_realize()

◆ prepare_atom_edition()

◆ process_the_hits()

◆ render_this_gl_window()

◆ reshape()

◆ rotate_quat()

◆ rotate_x_y()

◆ save_rotation_quaternion()

◆ set_default_color()

◆ set_img_lights()

◆ sort()

◆ transform()

◆ translate()

◆ update()

◆ update_atom_neighbors_()

◆ update_bonds_()

◆ update_labels()

◆ update_this_neighbor_()

◆ zoom()

Variable Documentation

◆ arc_ball_init

◆ light_pos

◆ ogl_texture

◆ old_rotation_quaternion

◆ to_pop