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gecko-dev
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gecko-dev/widget/tests/Scribble.cpp

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19 KiB
C++
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include "nsIButton.h"
#include "nsICheckButton.h"
#include "nsIRadioButton.h"
#include "nsIRadioGroup.h"
#include "nsITextWidget.h"
#include "nsIScrollbar.h"
#include "nsGUIEvent.h"
#include "nsIEnumerator.h"
#include "nsIRenderingContext.h"
#include "nsFont.h"
#include "nsUnitConversion.h"
#include "nsColor.h"
#include "nsString.h"
#include "Scribble.h"
#include "nsIDeviceContext.h"
#include "nsTransform2D.h"
#include "nsGfxCIID.h"
#include "nsWidgetsCID.h"
ScribbleApp scribbleData;
static NS_DEFINE_IID(kIWidgetIID, NS_IWIDGET_IID);
static NS_DEFINE_IID(kIButtonIID, NS_IBUTTON_IID);
static NS_DEFINE_IID(kIScrollbarIID, NS_ISCROLLBAR_IID);
static NS_DEFINE_IID(kICheckButtonIID, NS_ICHECKBUTTON_IID);
static NS_DEFINE_IID(kITextWidgetIID, NS_ITEXTWIDGET_IID);
static NS_DEFINE_IID(kIRadioButtonIID, NS_IRADIOBUTTON_IID);
static NS_DEFINE_IID(kIRadioGroupIID, NS_IRADIOGROUP_IID);
//
// Main window events
//
nsEventStatus PR_CALLBACK HandleEventMain(nsGUIEvent *aEvent)
{
printf("aEvent->message %d on 0x%X\n", aEvent->message, aEvent->widget);
nsEventStatus result = nsEventStatus_eConsumeNoDefault;
switch(aEvent->message) {
case NS_SIZE:
{
nsIEnumerator *enumer = aEvent->widget->GetChildren();
if (enumer) {
nsISupports *next;
next = enumer->Next();
if (next) {
nsIWidget *widget;
if (NS_OK == next->QueryInterface(kIWidgetIID, (void**)&widget)) {
widget->Resize(0, 0, 200, ((nsSizeEvent*)aEvent)->windowSize->height - 26);
NS_RELEASE(widget);
}
}
NS_RELEASE(enumer);
delete enumer;
}
scribbleData.drawPane->Resize(200,
0,
((nsSizeEvent*)aEvent)->windowSize->width - 206,
((nsSizeEvent*)aEvent)->windowSize->height - 26);
break;
}
case NS_DESTROY:
printf("Destroy Window...Release window\n");
NS_RELEASE(scribbleData.red);
NS_RELEASE(scribbleData.green);
NS_RELEASE(scribbleData.blue);
NS_RELEASE(scribbleData.scribble);
NS_RELEASE(scribbleData.lines);
NS_RELEASE(scribbleData.group);
// NS_RELEASE(scribbleData.drawPane);
// NS_RELEASE(scribbleData.mainWindow);
exit(0); // for now
break;
default:
result = nsEventStatus_eIgnore;
}
return result;
}
//
// Control pane events
//
nsEventStatus PR_CALLBACK HandleEventControlPane(nsGUIEvent *aEvent)
{
printf("aEvent->message %d on 0x%X\n", aEvent->message, aEvent->widget);
nsEventStatus result = nsEventStatus_eConsumeNoDefault;
switch(aEvent->message) {
case NS_PAINT:
{
// paint the background
nsIRenderingContext *drawCtx = ((nsPaintEvent*)aEvent)->renderingContext;
drawCtx->SetColor(aEvent->widget->GetBackgroundColor());
drawCtx->FillRect(*(((nsPaintEvent*)aEvent)->rect));
// draw the line separating the two panes
drawCtx->SetColor(aEvent->widget->GetForegroundColor());
drawCtx->DrawLine(198, 0, 198, 800);
drawCtx->DrawLine(199, 0, 199, 800);
drawCtx->DrawLine(200, 0, 200, 800);
// draw the colors text
nsFont font("Times", NS_FONT_STYLE_NORMAL,
NS_FONT_VARIANT_NORMAL,
NS_FONT_WEIGHT_BOLD,
0,
12);
drawCtx->SetFont(font);
nsString red("Red");
drawCtx->SetColor(NS_RGB(255, 0, 0));
drawCtx->DrawString(red, 50, 351, 50);
nsString green("Green");
drawCtx->SetColor(NS_RGB(0, 255, 0));
drawCtx->DrawString(green, 50, 372, 50);
nsString blue("Blue");
drawCtx->SetColor(NS_RGB(0, 0, 255));
drawCtx->DrawString(blue, 50, 393, 50);
return nsEventStatus_eConsumeNoDefault;
}
}
return nsEventStatus_eIgnore;
}
//
// Graphic pane events
//
nsEventStatus PR_CALLBACK HandleEventGraphicPane(nsGUIEvent *aEvent)
{
printf("aEvent->message %d on 0x%X\n", aEvent->message, aEvent->widget);
nsEventStatus result = nsEventStatus_eConsumeNoDefault;
switch(aEvent->message) {
case NS_PAINT:
{
nsIRenderingContext *drawCtx = ((nsPaintEvent*)aEvent)->renderingContext;
drawCtx->SetColor(aEvent->widget->GetBackgroundColor());
drawCtx->FillRect(*(((nsPaintEvent*)aEvent)->rect));
return nsEventStatus_eConsumeNoDefault;
}
case NS_MOUSE_LEFT_BUTTON_DOWN:
aEvent->widget->SetFocus();
scribbleData.isDrawing = PR_TRUE;
scribbleData.mousePos = ((nsGUIEvent*)aEvent)->point;
return nsEventStatus_eConsumeNoDefault;
case NS_MOUSE_LEFT_BUTTON_UP:
scribbleData.isDrawing = PR_FALSE;
return nsEventStatus_eConsumeNoDefault;
case NS_MOUSE_MOVE:
{
if (scribbleData.isDrawing) {
nsIRenderingContext *drawCtx = aEvent->widget->GetRenderingContext();
drawCtx->SetColor(aEvent->widget->GetForegroundColor());
drawCtx->DrawLine(scribbleData.mousePos.x,
scribbleData.mousePos.y,
((nsGUIEvent*)aEvent)->point.x,
((nsGUIEvent*)aEvent)->point.y);
if (scribbleData.scribble->GetState())
scribbleData.mousePos = ((nsGUIEvent*)aEvent)->point;
NS_RELEASE(drawCtx);
}
return nsEventStatus_eConsumeNoDefault;
}
}
return nsEventStatus_eIgnore;
}
//
// Buttons events
//
nsEventStatus PR_CALLBACK HandleEventButton(nsGUIEvent *aEvent)
{
printf("aEvent->message %d on 0x%X\n", aEvent->message, aEvent->widget);
switch(aEvent->message) {
case NS_MOUSE_LEFT_BUTTON_UP:
scribbleData.drawPane->Invalidate(PR_TRUE);
}
return nsEventStatus_eIgnore;
}
//
// Handle events for the auto-mode (rectangles/circles)
//
nsEventStatus PR_CALLBACK HandleEventCheck(nsGUIEvent *aEvent)
{
printf("aEvent->message %d on 0x%X\n", aEvent->message, aEvent->widget);
printf("aEvent->message %d == %d on 0x%X\n", aEvent->message, NS_MOUSE_LEFT_BUTTON_UP, aEvent->widget);
switch(aEvent->message) {
case NS_MOUSE_LEFT_BUTTON_UP:
{
nsICheckButton *option;
if (NS_OK == aEvent->widget->QueryInterface(kICheckButtonIID, (void**)&option)) {
// invert the two checkboxes state
PRBool state = option->GetState();
option->SetState((state) ? PR_FALSE : PR_TRUE);
if (state == PR_FALSE) {
nsAutoString buf;
option->GetLabel(buf);
nsIRenderingContext *drawCtx = scribbleData.drawPane->GetRenderingContext();
//
srand(aEvent->time);
if (drawCtx) {
// a sort of random rect
nsRect rect;
scribbleData.drawPane->GetBounds(rect);
nscoord width = rect.width;
nscoord height = rect.height;
nsString circles("Circles");
nsString rects("Rectangles");
if (buf.Equals(circles)) {
for (int i = 0; i < 100; i++) {
drawCtx->SetColor((nscolor)rand());
rect.MoveTo(rand() % width, rand() % height);
rect.SizeTo(rand() % (width - rect.x),
rand() % (height - rect.y));
drawCtx->DrawEllipse(rect);
}
}
else if (buf.Equals(rects)) {
for (int i = 0; i < 100; i++) {
drawCtx->SetColor((nscolor)rand());
rect.MoveTo(rand() % width, rand() % height);
rect.SizeTo(rand() % (width - rect.x),
rand() % (height - rect.y));
drawCtx->DrawRect(rect);
}
}
NS_RELEASE(drawCtx);
}
}
}
}
}
return nsEventStatus_eIgnore;
}
//
// Handle events for the text fields
//
nsEventStatus PR_CALLBACK HandleEventText(nsGUIEvent *aEvent)
{
printf("aEvent->message %d on 0x%X\n", aEvent->message, aEvent->widget);
switch(aEvent->message) {
case NS_LOSTFOCUS:
{
nscolor color = scribbleData.drawPane->GetForegroundColor();
nsAutoString buf;
nsITextWidget *text;
if (NS_OK == aEvent->widget->QueryInterface(kITextWidgetIID, (void**)&text)) {
if (text == scribbleData.red) {
scribbleData.red->GetText(buf, 0);
PRInt32 value, err;
value = buf.ToInteger(&err);
color = NS_RGB(value, NS_GET_G(color), NS_GET_B(color));
}
else if (text == scribbleData.green) {
scribbleData.green->GetText(buf, 0);
PRInt32 value, err;
value = buf.ToInteger(&err);
color = NS_RGB(NS_GET_R(color), value, NS_GET_B(color));
}
else if (text == scribbleData.blue) {
scribbleData.blue->GetText(buf, 0);
PRInt32 value, err;
value = buf.ToInteger(&err);
color = NS_RGB(NS_GET_R(color), NS_GET_G(color), value);
}
NS_RELEASE(text);
}
scribbleData.drawPane->SetForegroundColor(color);
return nsEventStatus_eIgnore;
}
}
return nsEventStatus_eIgnore;
}
#define WIDGET_DLL "raptorwidget.dll"
#define GFXWIN_DLL "raptorgfxwin.dll"
//
// Main application entry function
//
void CreateApplication()
{
scribbleData.isDrawing = PR_FALSE;
// register graphics classes
static NS_DEFINE_IID(kCRenderingContextIID, NS_RENDERING_CONTEXT_CID);
static NS_DEFINE_IID(kCDeviceContextIID, NS_DEVICE_CONTEXT_CID);
static NS_DEFINE_IID(kCFontMetricsIID, NS_FONT_METRICS_CID);
static NS_DEFINE_IID(kCImageIID, NS_IMAGE_CID);
NSRepository::RegisterFactory(kCRenderingContextIID, GFXWIN_DLL, PR_FALSE, PR_FALSE);
NSRepository::RegisterFactory(kCDeviceContextIID, GFXWIN_DLL, PR_FALSE, PR_FALSE);
NSRepository::RegisterFactory(kCFontMetricsIID, GFXWIN_DLL, PR_FALSE, PR_FALSE);
NSRepository::RegisterFactory(kCImageIID, GFXWIN_DLL, PR_FALSE, PR_FALSE);
// register widget classes
static NS_DEFINE_IID(kCWindowCID, NS_WINDOW_CID);
static NS_DEFINE_IID(kCChildCID, NS_CHILD_CID);
static NS_DEFINE_IID(kCButtonCID, NS_BUTTON_CID);
static NS_DEFINE_IID(kCCheckButtonCID, NS_CHECKBUTTON_CID);
static NS_DEFINE_IID(kCComboBoxCID, NS_COMBOBOX_CID);
static NS_DEFINE_IID(kCFileWidgetCID, NS_FILEWIDGET_CID);
static NS_DEFINE_IID(kCListBoxCID, NS_LISTBOX_CID);
static NS_DEFINE_IID(kCRadioButtonCID, NS_RADIOBUTTON_CID);
static NS_DEFINE_IID(kCRadioGroupCID, NS_RADIOGROUP_CID);
static NS_DEFINE_IID(kCHorzScrollbarCID, NS_HORZSCROLLBAR_CID);
static NS_DEFINE_IID(kCVertScrollbarCID, NS_VERTSCROLLBAR_CID);
static NS_DEFINE_IID(kCTextAreaCID, NS_TEXTAREA_CID);
static NS_DEFINE_IID(kCTextFieldCID, NS_TEXTFIELD_CID);
NSRepository::RegisterFactory(kCWindowCID, WIDGET_DLL, PR_FALSE, PR_FALSE);
NSRepository::RegisterFactory(kCChildCID, WIDGET_DLL, PR_FALSE, PR_FALSE);
NSRepository::RegisterFactory(kCButtonCID, WIDGET_DLL, PR_FALSE, PR_FALSE);
NSRepository::RegisterFactory(kCCheckButtonCID, WIDGET_DLL, PR_FALSE, PR_FALSE);
NSRepository::RegisterFactory(kCComboBoxCID, WIDGET_DLL, PR_FALSE, PR_FALSE);
NSRepository::RegisterFactory(kCFileWidgetCID, WIDGET_DLL, PR_FALSE, PR_FALSE);
NSRepository::RegisterFactory(kCListBoxCID, WIDGET_DLL, PR_FALSE, PR_FALSE);
NSRepository::RegisterFactory(kCRadioButtonCID, WIDGET_DLL, PR_FALSE, PR_FALSE);
NSRepository::RegisterFactory(kCRadioGroupCID, WIDGET_DLL, PR_FALSE, PR_FALSE);
NSRepository::RegisterFactory(kCHorzScrollbarCID, WIDGET_DLL, PR_FALSE, PR_FALSE);
NSRepository::RegisterFactory(kCVertScrollbarCID, WIDGET_DLL, PR_FALSE, PR_FALSE);
NSRepository::RegisterFactory(kCTextAreaCID, WIDGET_DLL, PR_FALSE, PR_FALSE);
NSRepository::RegisterFactory(kCTextFieldCID, WIDGET_DLL, PR_FALSE, PR_FALSE);
//NS_InitToolkit(PR_GetCurrentThread());
nsresult res;
static NS_DEFINE_IID(kDeviceContextCID, NS_DEVICE_CONTEXT_CID);
static NS_DEFINE_IID(kDeviceContextIID, NS_IDEVICE_CONTEXT_IID);
res = NSRepository::CreateInstance(kDeviceContextCID, nsnull, kDeviceContextIID, (void **)&scribbleData.mContext);
if (NS_OK == res)
scribbleData.mContext->Init();
//
// create the main window
//
NSRepository::CreateInstance(kCWindowCID, nsnull, kIWidgetIID, (LPVOID*)&(scribbleData.mainWindow));
nsRect rect(100, 100, 600, 600);
scribbleData.mainWindow->Create((nsIWidget*)NULL, rect, HandleEventMain, NULL);
//
// create the control pane
//
nsIWidget *controlPane;
rect.SetRect(0, 0, 200, 580);
NSRepository::CreateInstance(kCChildCID, nsnull, kIWidgetIID, (LPVOID*)&controlPane);
controlPane->Create(scribbleData.mainWindow, rect, HandleEventControlPane, NULL);
//
// Add the scribble/lines section
//
//
// create a Radio Group
//
NSRepository::CreateInstance(kCRadioGroupCID, nsnull, kIRadioGroupIID, (LPVOID*)&(scribbleData.group));
scribbleData.group->SetName(nsString("Group1"));
// create the "Scribble" check button
rect.SetRect(50, 50, 100, 25);
NSRepository::CreateInstance(kCRadioButtonCID, nsnull, kIRadioButtonIID, (LPVOID*)&(scribbleData.scribble));
scribbleData.scribble->SetRadioGroup(scribbleData.group);
scribbleData.scribble->Create(controlPane, rect, NULL, NULL);
nsString cbLabel("Scribble");
scribbleData.scribble->SetLabel(cbLabel);
scribbleData.scribble->SetState(PR_FALSE);
//scribbleData.scribble->SetBackgroundColor(NS_RGB(255, 255, 255));
scribbleData.scribble->Show(PR_TRUE);
// create the "Lines" check button
rect.SetRect(50, 75, 100, 25);
NSRepository::CreateInstance(kCRadioButtonCID, nsnull, kIRadioButtonIID, (LPVOID*)&(scribbleData.lines));
scribbleData.lines->SetRadioGroup(scribbleData.group);
scribbleData.lines->Create(controlPane, rect, NULL, NULL);
nsString cbLabel1("Lines");
scribbleData.lines->SetLabel(cbLabel1);
scribbleData.lines->SetState(PR_TRUE);
//scribbleData.lines->SetBackgroundColor(NS_RGB(255, 255, 255));
scribbleData.lines->Show(PR_TRUE);
//
// Add the circle/rectangle section
//
// create the "Circles" check button
nsICheckButton * checkButton;
rect.SetRect(50, 200, 100, 25);
NSRepository::CreateInstance(kCCheckButtonCID, nsnull, kICheckButtonIID, (LPVOID*)&checkButton);
checkButton->Create(controlPane, rect, HandleEventCheck, NULL);
nsString cbLabel2("Circles");
checkButton->SetLabel(cbLabel2);
checkButton->SetBackgroundColor(NS_RGB(255, 255, 255));
checkButton->Show(PR_TRUE);
NS_RELEASE(checkButton);
// create the "Rectangles" check button
rect.SetRect(50, 225, 100, 25);
NSRepository::CreateInstance(kCCheckButtonCID, nsnull, kICheckButtonIID, (LPVOID*)&checkButton);
checkButton->Create(controlPane, rect, HandleEventCheck, NULL);
nsString cbLabel3("Rectangles");
checkButton->SetLabel(cbLabel3);
checkButton->SetBackgroundColor(NS_RGB(255, 255, 255));
checkButton->Show(PR_TRUE);
NS_RELEASE(checkButton);
//
// Add the color section
//
// create the "red" text widget
rect.SetRect(100, 350, 50, 22);
NSRepository::CreateInstance(kCTextFieldCID, nsnull, kITextWidgetIID, (LPVOID*)&(scribbleData.red));
scribbleData.red->Create(controlPane, rect, HandleEventText, NULL);
nsString initText("0");
scribbleData.red->SetText(initText);
scribbleData.red->SetBackgroundColor(NS_RGB(0, 0, 255));
scribbleData.red->Show(PR_TRUE);
// create the "green" text widget
rect.SetRect(100, 371, 50, 22);
NSRepository::CreateInstance(kCTextFieldCID, nsnull, kITextWidgetIID, (LPVOID*)&(scribbleData.green));
scribbleData.green->Create(controlPane, rect, HandleEventText, NULL);
scribbleData.green->SetText(initText);
scribbleData.green->SetBackgroundColor(NS_RGB(255, 0, 0));
scribbleData.green->Show(PR_TRUE);
// create the "blue" text widget
rect.SetRect(100, 392, 50, 22);
NSRepository::CreateInstance(kCTextFieldCID, nsnull, kITextWidgetIID, (LPVOID*)&(scribbleData.blue));
scribbleData.blue->Create(controlPane, rect, HandleEventText, NULL);
scribbleData.blue->SetText(initText);
scribbleData.blue->SetBackgroundColor(NS_RGB(0, 255, 0));
scribbleData.blue->Show(PR_TRUE);
//
// create a button
//
nsIButton *button;
rect.SetRect(50, 500, 100, 25);
NSRepository::CreateInstance(kCButtonCID, nsnull, kIButtonIID, (LPVOID*)&button);
button->Create(controlPane, rect, HandleEventButton, NULL);
nsString label("Clear");
button->SetLabel(label);
button->Show(PR_TRUE);
NS_RELEASE(button);
NS_RELEASE(controlPane); // the parent keeps a reference on this child
//
// create the draw pane
//
rect.SetRect(200, 0, 400, 580);
NSRepository::CreateInstance(kCChildCID, nsnull, kIWidgetIID, (LPVOID*)&scribbleData.drawPane);
scribbleData.drawPane->Create(scribbleData.mainWindow, rect, HandleEventGraphicPane, NULL);
//
// show. We are in business...
//
scribbleData.mainWindow->Show(PR_TRUE);
}
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