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grxscrolledwindow.cpp    275 lines (245 with data), 11.3 kB

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/*----------------------------------------------------------------------------*/
/* */
/* Copyright (c) 2007-2008 Rexx Language Association. All rights reserved. */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the Common Public License v1.0 which accompanies this */
/* distribution. A copy is also available at the following address: */
/* http://www.oorexx.org/license.html */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* Redistributions of source code must retain the above copyright */
/* notice, this list of conditions and the following disclaimer. */
/* Redistributions in binary form must reproduce the above copyright */
/* notice, this list of conditions and the following disclaimer in */
/* the documentation and/or other materials provided with the distribution. */
/* */
/* Neither the name of Rexx Language Association nor the names */
/* of its contributors may be used to endorse or promote products */
/* derived from this software without specific prior written permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS */
/* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
/* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED */
/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY */
/* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/* */
/* Authors; */
/* W. David Ashley <dashley@us.ibm.com> */
/* */
/*----------------------------------------------------------------------------*/
/* include the linux headers and our local stuff */
#include "rexxgtk.h"
/*----------------------------------------------------------------------------*/
/* Global variables */
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
/* Local Definitions */
/*----------------------------------------------------------------------------*/
/*============================================================================*/
/* Private Functions */
/*============================================================================*/
static void signal_func_1(GtkWidget *window,
GtkDirectionType arg1,
gpointer data)
{
cbcb *cblock = (cbcb *)data;
RexxObjectPtr rxobj = (RexxObjectPtr)g_object_get_data(G_OBJECT(window), "OORXOBJECT");
RexxThreadContext *context;
cblock->instance->AttachThread(&context);
RexxObjectPtr arg1type = context->WholeNumberToObject((wholenumber_t)arg1);;
context->SendMessage1(rxobj, ((cbcb *)data)->signal_name, arg1type);
context->DetachThread();
return;
}
static void signal_func_2(GtkWidget *window,
GtkScrollType arg1,
gboolean arg2,
gpointer data)
{
cbcb *cblock = (cbcb *)data;
RexxObjectPtr rxobj = (RexxObjectPtr)g_object_get_data(G_OBJECT(window), "OORXOBJECT");
RexxThreadContext *context;
cblock->instance->AttachThread(&context);
RexxObjectPtr arg1type = context->WholeNumberToObject((wholenumber_t)arg1);;
RexxObjectPtr arg2type = context->WholeNumberToObject((wholenumber_t)arg2);;
context->SendMessage2(rxobj, ((cbcb *)data)->signal_name, arg1type, arg2type);
context->DetachThread();
return;
}
/*============================================================================*/
/* Public Functions */
/*============================================================================*/
/**
* Method: init
*
* Create a scrolled window.
*
* @param rxhadj The horizontal adjustment object
*
* @param rxvadj The vertical adjustment object
*
* @return Zero.
**/
RexxMethod3(int, // Return type
GrxScrolledWindowNew, // Object_method name
OPTIONAL_RexxObjectPtr, rxhadj, // The horizontal adjustment
OPTIONAL_RexxObjectPtr, rxvadj, // The vertical adjustment
OSELF, self) // Self
{
GtkAdjustment *hadj = NULL, *vadj = NULL;
if (argumentExists(1)) {
if (rxhadj != context->Nil()) {
if (!context->IsOfType(rxhadj, "GtkAdjustment")) {
context->RaiseException2(Rexx_Error_Incorrect_method_noclass,
context->WholeNumberToObject(1),
context->NewStringFromAsciiz("GtkAdjustment"));
return 0;
}
hadj = (GtkAdjustment *)context->ObjectToCSelf(rxhadj);
}
}
if (argumentExists(2)) {
if (rxvadj != context->Nil()) {
if (!context->IsOfType(rxvadj, "GtkAdjustment")) {
context->RaiseException2(Rexx_Error_Incorrect_method_noclass,
context->WholeNumberToObject(2),
context->NewStringFromAsciiz("GtkAdjustment"));
return 0;
}
vadj = (GtkAdjustment *)context->ObjectToCSelf(rxvadj);
}
}
GtkWidget *myWidget = gtk_scrolled_window_new(hadj, vadj);
// Save ourself
context->SetObjectVariable("CSELF", context->NewPointer(myWidget));
g_object_set_data(G_OBJECT(myWidget), "OORXOBJECT", self);
return 0;
}
/**
* Method: get_hadjustment
*
* Get the horizontal adjustment.
*
* @return Horizontal adjustment object
**/
RexxMethod2(RexxObjectPtr, // Return type
GrxScrolledWindowGetHAdjustment, // Object_method name
OSELF, oself, // Self
CSELF, cself) // GTK self
{
GtkAdjustment *adj = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(cself));
RexxObjectPtr rxhadj = (RexxObjectPtr)g_object_get_data(G_OBJECT(adj), "OORXOBJECT");
if (rxhadj == NULL) {
rxhadj = context->SendMessage1((RexxObjectPtr)oself, "create_adj", context->NewPointer(adj));
}
return rxhadj;
}
/**
* Method: get_vadjustment
*
* Get the vertical adjustment.
*
* @return Vertical adjustment object
**/
RexxMethod2(RexxObjectPtr, // Return type
GrxScrolledWindowGetVAdjustment, // Object_method name
OSELF, oself, // Self
CSELF, cself) // GTK self
{
GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(cself));
RexxObjectPtr rxvadj = (RexxObjectPtr)g_object_get_data(G_OBJECT(adj), "OORXOBJECT");
if (rxvadj == NULL) {
rxvadj = context->SendMessage1((RexxObjectPtr)oself, "create_adj", context->NewPointer(adj));
}
return rxvadj;
}
/**
* Method: set_policy
*
* Set the adjustment policy
*
* @param hpolicy The horizontal policy
*
* @param vpolicy The vertical policy
*
* @return Zero
**/
RexxMethod3(int, // Return type
GrxScrolledWindowSetPolicy, // Object_method name
int, hpolicy, // Horizontal policy
int, vpolicy, // Vertical policy
CSELF, self) // GTK self
{
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(self),
(GtkPolicyType)hpolicy,
(GtkPolicyType)vpolicy);
return 0;
}
/**
* Method: add_with_viewport
*
* Add a child without native scrolling support.
*
* @param rxchild The child widget
*
* @return Zero
**/
RexxMethod2(int, // Return type
GrxScrolledWindowAddWithViewport, // Object_method name
RexxObjectPtr, rxchild, // Child widget
CSELF, self) // GTK self
{
if (!context->IsOfType(rxchild, "GtkWidget")) {
context->RaiseException2(Rexx_Error_Incorrect_method_noclass,
context->WholeNumberToObject(1),
context->NewStringFromAsciiz("GtkWidget"));
return 0;
}
GtkWidget *myChild = (GtkWidget *)context->ObjectToCSelf(rxchild);
gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(self), myChild);
return 0;
}
/**
* Method: signal_connect
*
* Connect a signal to an ooRexx method.
*
* @param name The signal name
*
* @return Zero
**/
RexxMethod3(RexxObjectPtr, // Return type
GrxScrolledWindowSignalConnect, // Object_method name
CSTRING, name, // Signal name
SUPER, super, // The superclass override
CSELF, self) // GTK self
{
cbcb *cblock;
if (strcmp(name, "move_focus_out") == 0) {
cblock = (cbcb *)malloc(sizeof(cbcb));
cblock->instance = context->threadContext->instance;
cblock->signal_name = "signal_move_focus_out";
g_signal_connect(G_OBJECT(self), "move-focus-out",
G_CALLBACK(signal_func_1), cblock);
return context->True();
}
else if (strcmp(name, "scroll_child") == 0) {
cblock = (cbcb *)malloc(sizeof(cbcb));
cblock->instance = context->threadContext->instance;
cblock->signal_name = "signal_scroll_child";
g_signal_connect(G_OBJECT(self), "scroll-child",
G_CALLBACK(signal_func_2), cblock);
return context->True();
}
return context->ForwardMessage(NULLOBJECT, NULL, super, NULLOBJECT);
}