button.c File Reference

Implementation of the Button functions. More...

#include "button.h"
#include "component.h"

Include dependency graph for button.c:

Go to the source code of this file.

Functions
ActionListener	addButtonActionListener (Button *button, void(*func)(Component))
	Adds an ActionListener for the Button to call back the specified function.
void	createButton_ (Button *button)
	Creates the Button by getting the Java Button-Class, the method ids and createing a new Java Button-Object.
void	createButtonC (Button_ *button)
	Function is called when working with C and calling the function createButton.
void	createButtonCPP (ButtonCPP_ *button)
	Function is called when working with C++ and calling the function createButton.
void	deleteButton_ (Button *button)
	Deletes the Button by deleting the global references.
void	deleteButtonC (Button_ *button)
	Function is called when working with C and calling the function deleteButton.
void	deleteButtonCPP (ButtonCPP_ *button)
	Function is called when working with C++ and calling the function deleteButton.
jint	getButtonHeight (Button *button)
	Gets the height of the Button.
char *	getButtonLabel (Button *button)
	Gets the Title of the Button.
jobject	getButtonObject (Button *button)
	Gets the reference to the java button object.
jint	getButtonWidth (Button *button)
	Gets the width of the Button.
jint	getButtonX (Button *button)
	Gets the X-Pos of the Button.
jint	getButtonY (Button *button)
	Gets the Y-Pos of the Button.
void	initButton_ (Button_ *button)
	Initializes the Button_ structure by setting the function pointers.
void	removeButtonActionListener (Button *button, ActionListener al)
	Removes an ActionListener from the Button and deletes the global reference to the ActionListener.
void	setButtonLabel (Button *button, const char *label)
	Sets the Title of the Button.
void	setButtonLocation (Button *button, jint x, jint y)
	Sets the location of the Button.
void	setButtonSize (Button *button, jint width, jint height)
	Sets Size of the Button.

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Detailed Description

Implementation of the Button functions.

A Button is a simple control element with a label. You can push it to cause an event and the application to perform an action.

Author:

Stefan Gruber

Date:

01.02.2005

Definition in file button.c.

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Function Documentation

ActionListener addButtonActionListener (  Button *  button, void(*)(Component)  func )

Adds an ActionListener for the Button to call back the specified function. For more information see: addActionListener Parameters: button  - The Button to add the listener to. func  - The function to call back. Returns: the created ActionListener object. See also: removeButtonActionListener(Button* button, ActionListener al) Definition at line 157 of file button.c.

void createButton_ (  Button *  button  )

Creates the Button by getting the Java Button-Class, the method ids and createing a new Java Button-Object. Parameters: button  - The Button to create. Definition at line 201 of file button.c.

void createButtonC (  Button_ *  button  )

Function is called when working with C and calling the function createButton. It initializes the Button_ structure. Parameters: button  - A pointer to a Button_ structure. Definition at line 227 of file button.c.

void createButtonCPP (  ButtonCPP_ *  button  )

Function is called when working with C++ and calling the function createButton. It initializes the ButtonCPP_ structure. Parameters: button  - A pointer to a ButtonCPP_ structure. Definition at line 215 of file button.c.

void deleteButton_ (  Button *  button  )

Deletes the Button by deleting the global references. Parameters: button  - A pointer to a button. Definition at line 237 of file button.c.

void deleteButtonC (  Button_ *  button  )

Function is called when working with C and calling the function deleteButton. Parameters: button  - A pointer to a Button_ structure. Definition at line 257 of file button.c.

void deleteButtonCPP (  ButtonCPP_ *  button  )

Function is called when working with C++ and calling the function deleteButton. Parameters: button  - A pointer to a ButtonCPP_ structure. Definition at line 247 of file button.c.

jint getButtonHeight (  Button *  button  )

Gets the height of the Button. Parameters: button  - Pointer to the button. Returns: the current height of the Button. See also: setButtonSize(Button* button, jint width, jint height) getButtonWidth(Button* button) Definition at line 100 of file button.c.

char* getButtonLabel (  Button *  button  )

Gets the Title of the Button. Parameters: button  - Pointer to the button. Returns: a char* with the current label. See also: setButtonLabel(Button* button, const char* label) Definition at line 53 of file button.c.

jobject getButtonObject (  Button *  button  )

Gets the reference to the java button object. Parameters: button  - Pointer to the button. Returns: the button object reference. Definition at line 26 of file button.c.

jint getButtonWidth (  Button *  button  )

Gets the width of the Button. Parameters: button  - Pointer to the button. Returns: the current width of the Button. See also: setButtonSize(Button* button, jint width, jint height) getButtonHeight(Button* button) Definition at line 86 of file button.c.

jint getButtonX (  Button *  button  )

Gets the X-Pos of the Button. Parameters: button  - Pointer to the button. Returns: the current X-Pos of the button. See also: setButtonLocation(Button* button, jint x, jint y) getButtonY(Button* button) Definition at line 128 of file button.c.

jint getButtonY (  Button *  button  )

Gets the Y-Pos of the Button. Parameters: button  - Pointer to the button. Returns: the current Y-Pos of the button. See also: setButtonLocation(Button* button, jint x, jint y) getButtonX(Button* button) Definition at line 142 of file button.c.

void initButton_ (  Button_ *  button  )

Initializes the Button_ structure by setting the function pointers. Parameters: button  - A pointer to a Button_ structure. Definition at line 179 of file button.c.

void removeButtonActionListener (  Button *  button, ActionListener  al )

Removes an ActionListener from the Button and deletes the global reference to the ActionListener. Parameters: button  - The Button to remove the listener from. al  - The ActionListener to remove. See also: addButtonActionListener(Button* button, void (*func)(Component)) Definition at line 170 of file button.c.

void setButtonLabel (  Button *  button, const char *  label )

Sets the Title of the Button. Parameters: button  - Pointer to the button. label  - The new label. See also: getButtonLabel(Button* button) Definition at line 38 of file button.c.

void setButtonLocation (  Button *  button, jint  x, jint  y )

Sets the location of the Button. Parameters: button  - Pointer to the button. x  - New X-Pos. y  - New Y-Pos. See also: getButtonX(Button* button) getButtonY(Button* button) Definition at line 114 of file button.c.

void setButtonSize (  Button *  button, jint  width, jint  height )

Sets Size of the Button. Parameters: button  - Pointer to the button. width  - New width. height  - New height. See also: getButtonWidth(Button* button) getButtonHeight(Button* button) Definition at line 72 of file button.c.

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