x_preview.c File Reference

#include <config.h>
#include <stdio.h>
#include "gschem.h"

Include dependency graph for x_preview.c:

Go to the source code of this file.

Defines
#define	OVER_ZOOM_FACTOR   0.1
Enumerations
enum	{ PROP_FILENAME = 1, PROP_BUFFER, PROP_ACTIVE }
Functions
static void	preview_class_init (PreviewClass *class)
static void	preview_init (Preview *preview)
static void	preview_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec)
static void	preview_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec)
static void	preview_dispose (GObject *self)
static void	preview_callback_realize (GtkWidget *widget, gpointer user_data)
	Completes initialitation of the widget after realization.
static gboolean	preview_callback_expose (GtkWidget *widget, GdkEventExpose *event, gpointer user_data)
	Redraws the view when widget is exposed.
static gboolean	preview_callback_button_press (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
	Handles the press on a mouse button.
static void	preview_update (Preview *preview)
	Updates the preview widget.
GType	preview_get_type ()
static gboolean	preview_event_configure (GtkWidget *widget, GdkEventConfigure *event, gpointer user_data)
static gboolean	preview_event_scroll (GtkWidget *widget, GdkEventScroll *event, GSCHEM_TOPLEVEL *w_current)
Variables
static GObjectClass *	preview_parent_class = NULL

---

Define Documentation

#define OVER_ZOOM_FACTOR   0.1

Definition at line 39 of file x_preview.c.

---

Enumeration Type Documentation

anonymous enum

Enumerator:

PROP_FILENAME
PROP_BUFFER
PROP_ACTIVE

Definition at line 42 of file x_preview.c.

---

Function Documentation

static void preview_class_init

(

PreviewClass *

class

)

[static]

Definition at line 294 of file x_preview.c.

Here is the call graph for this function:

static void preview_init

(

Preview *

preview

)

[static]

Definition at line 358 of file x_preview.c.

Here is the call graph for this function:

static void preview_set_property	(	GObject *	object,
		guint	property_id,
		const GValue *	value,
		GParamSpec *	pspec
	)		[static]

Definition at line 431 of file x_preview.c.

Here is the call graph for this function:

static void preview_get_property	(	GObject *	object,
		guint	property_id,
		GValue *	value,
		GParamSpec *	pspec
	)		[static]

Definition at line 475 of file x_preview.c.

static void preview_dispose

(

GObject *

self

)

[static]

Definition at line 500 of file x_preview.c.

Here is the call graph for this function:

static void preview_callback_realize	(	GtkWidget *	widget,
		gpointer	user_data
	)		[static]

Function Description

This function terminates the initialization of preview's GSCHEM_TOPLEVEL and TOPLEVEL environments after the widget has been realized.

It creates a preview page in the TOPLEVEL environment.

Parameters:

[in]	widget	The preview widget.
[in]	user_data	Unused user data.

Definition at line 74 of file x_preview.c.

Here is the call graph for this function:

static gboolean preview_callback_expose	(	GtkWidget *	widget,
		GdkEventExpose *	event,
		gpointer	user_data
	)		[static]

Function Description

It redraws the preview pixmap every time the widget is exposed.

Parameters:

[in]	widget	The preview widget.
[in]	event	The event structure.
[in]	user_data	Unused user data.

Returns:

FALSE to propagate the event further.

Definition at line 115 of file x_preview.c.

Here is the call graph for this function:

static gboolean preview_callback_button_press	(	GtkWidget *	widget,
		GdkEventButton *	event,
		gpointer	user_data
	)		[static]

Function Description

It handles the user inputs.

Three action are available: zoom in, pan and zoom out on preview display.

Parameters:

[in]	widget	The preview widget.
[in]	event	The event structure.
[in]	user_data	Unused user data.

Returns:

FALSE to propagate the event further.

Definition at line 157 of file x_preview.c.

Here is the call graph for this function:

static void preview_update

(

Preview *

preview

)

[static]

Function Description

This function update the preview: if the preview is active and a filename has been given, it opens the file and display it. Otherwise it display a blank page.

Parameters:

[in]

preview

The preview widget.

Definition at line 200 of file x_preview.c.

Here is the call graph for this function:

GType preview_get_type

(

void

)

Definition at line 268 of file x_preview.c.

Here is the call graph for this function:

static gboolean preview_event_configure	(	GtkWidget *	widget,
		GdkEventConfigure *	event,
		gpointer	user_data
	)		[static]

Definition at line 330 of file x_preview.c.

Here is the call graph for this function:

static gboolean preview_event_scroll	(	GtkWidget *	widget,
		GdkEventScroll *	event,
		GSCHEM_TOPLEVEL *	w_current
	)		[static]

Definition at line 347 of file x_preview.c.

Here is the call graph for this function:

---

Variable Documentation

GObjectClass* preview_parent_class = NULL [static]

Definition at line 48 of file x_preview.c.