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Sample plugin: Not part of the build

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Fix up the resizing on Linux (rearranging the code for more reuse across platforms), and add a note to the readme re focus problems on Linux.  Change windows to use a multi-line edit control so it is easier to visually confirm the child window is resizing correctly.


git-svn-id: svn://10.0.0.236/trunk@88187 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
markh%activestate.com
2001-02-28 12:26:17 +00:00
parent f02cafb056
commit 34797f42c7
4 changed files with 204 additions and 198 deletions
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195
mozilla/modules/plugin/samples/testevents/npevents.cpp
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@@ -10,8 +10,7 @@
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code was developed by ActiveState, and
* implemented by .
* The Original Code was developed by ActiveState.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
@@ -170,16 +169,17 @@ public:
void PlatformNew(void);
nsresult PlatformDestroy(void);
nsresult PlatformSetWindow(nsPluginWindow* window);
void PlatformResetWindow();
PRInt16 PlatformHandleEvent(nsPluginEvent* event);
void PlatformResizeWindow(nsPluginWindow* window);
nsresult PlatformCreateWindow(nsPluginWindow* window);
void SetMode(nsPluginMode mode) { fMode = mode; }
protected:
////////////////////////////////////////////////////////////////////////////
// Implementation methods
void Resize();
nsresult DoSetWindow(nsPluginWindow* window);
// Data
nsCOMPtr<nsIPluginInstancePeer> fPeer;
@@ -416,14 +416,18 @@ NS_METHOD EventsPluginInstance::Destroy(void) {
* graphics operations on the window and should free any resources associated
* with the window.
+++++++++++++++++++++++++++++++++++++++++++++++++*/
NS_METHOD EventsPluginInstance::SetWindow(nsPluginWindow* window) {
#ifdef EVENTSPLUGIN_DEBUG
printf("EventsPluginInstance::SetWindow\n");
#endif
nsresult result;
result = DoSetWindow(window);
fWindow = window;
return result;
}
nsresult EventsPluginInstance::DoSetWindow(nsPluginWindow* window) {
/*
* PLUGIN DEVELOPERS:
* Before setting window to point to the
@@ -431,8 +435,29 @@ NS_METHOD EventsPluginInstance::SetWindow(nsPluginWindow* window) {
* info to the previous window (if any) to note window
* size changes, etc.
*/
result = PlatformSetWindow(window);
fWindow = window;
nsresult result = NS_OK;
if ( fWindow != NULL ) {
// If we already have a window, clean it up
// before working with the new window
if ( window && window->window && wMain == (WinID)window->window ) {
/* The new window is the same as the old one. Exit now. */
PlatformResizeWindow(window);
return NS_OK;
}
// Otherwise, just reset the window ready for the new one.
PlatformResetWindow();
}
else if ( (window == NULL) || ( window->window == NULL ) ) {
/* We can just get out of here if there is no current
* window and there is no new window to use. */
return NS_OK;
}
if (window && window->window) {
// Remember our main parent window.
wMain = (WinID)window->window;
// And create the child window.
result = PlatformCreateWindow(window);
}
return result;
}
@@ -621,16 +646,6 @@ NS_METHOD EventsPluginStreamListener::GetStreamType(nsPluginStreamType *result)
///////////////////////////////////////////////////////////////////////////////
// Platform-Specific Implemenations
void EventsPluginInstance::Resize() {
#ifdef XP_WIN
RECT rc;
NS_PRECONDITION(wMain != nsnull, "Must have a valid wMain to resize");
::GetClientRect(wMain, &rc);
::SetWindowPos(wChild, 0, rc.left, rc.top,
rc.right - rc.left, rc.bottom - rc.top, SWP_NOZORDER | SWP_NOACTIVATE);
#endif
}
// UNIX Implementations
#ifdef XP_UNIX
@@ -642,47 +657,44 @@ void EventsPluginInstance::PlatformNew(void) {
nsresult EventsPluginInstance::PlatformDestroy(void) {
// the mozbox will be destroyed by the native destruction of the
// widget's parent.
fPlatform.moz_box = 0;
return NS_OK;
}
nsresult EventsPluginInstance::PlatformSetWindow(nsPluginWindow* window) {
void EventsPluginInstance::PlatformResetWindow() {
#ifdef EVENTSPLUGIN_DEBUG
printf("EventsPluginInstance::PlatformSetWindow %p\n", window);
printf("EventsPluginInstance::PlatformResetWindow\n");
#endif
fPlatform.moz_box = 0;
}
nsresult EventsPluginInstance::PlatformCreateWindow(nsPluginWindow* window) {
#ifdef EVENTSPLUGIN_DEBUG
printf("EventsPluginInstance::PlatformCreateWindow %lx\n", (long)window);
#endif
if (window == NULL || window->window == NULL)
return NS_ERROR_NULL_POINTER;
if (!wChild) {
Window x_window = (Window)window->window;
printf("EventsPluginInstance::PlatformSetWindow x %lx\n", x_window);
GdkWindow *gdk_window = (GdkWindow *)gdk_xid_table_lookup(x_window);
printf("EventsPluginInstance::PlatformSetWindow g %p\n", gdk_window);
if (!gdk_window) {
fprintf(stderr, "NO WINDOW!!!\n");
return NS_OK;
}
fPlatform.moz_box = gtk_mozbox_new(gdk_window);
wChild = gtk_entry_new();
gtk_container_add(GTK_CONTAINER(fPlatform.moz_box), wChild);
gtk_widget_show_all(fPlatform.moz_box);
} else {
// Possible resize
//int width = window->width;
//int height = window->height;
//printf("Possible resize %d %d\n", width, height);
Window x_window = (Window)window->window;
GdkWindow *gdk_window = (GdkWindow *)gdk_xid_table_lookup(x_window);
if (!gdk_window) {
fprintf(stderr, "NO WINDOW!!!\n");
return NS_ERROR_FAILURE;
}
fPlatform.moz_box = gtk_mozbox_new(gdk_window);
//int width = window->width;
//int height = window->height;
//printf("Possible resize %d %d\n", width, height);
//gdk_widget_set_usize(fPlatform.moz_box, width, height);
//gdk_window_resize ((GdkWindow *)fPlatform.moz_box, width, height);
wChild = gtk_entry_new();
gtk_container_add(GTK_CONTAINER(fPlatform.moz_box), wChild);
gtk_widget_show_all(fPlatform.moz_box);
return NS_OK;
}
void EventsPluginInstance::PlatformResizeWindow(nsPluginWindow* window) {
NS_PRECONDITION(wChild, "Have no wChild!");
#ifdef EVENTSPLUGIN_DEBUG
printf("EventsPluginInstance::PlatformResizeWindow to size (%d,%d)\n", window->width, window->height);
#endif
// Mozilla has already sized the mozbox - we just need to handle the child.
gtk_widget_set_usize(wChild, window->width, window->height);
}
int16 EventsPluginInstance::PlatformHandleEvent(nsPluginEvent * /*event*/) {
/* UNIX Plugins do not use HandleEvent */
return 0;
@@ -720,58 +732,32 @@ nsresult EventsPluginInstance::PlatformDestroy(void) {
return NS_OK;
}
nsresult EventsPluginInstance::PlatformSetWindow(nsPluginWindow* window) {
#ifdef EVENTSPLUGIN_DEBUG
printf("EventsPluginInstance::PlatformSetWindow %p\n", window);
#endif
if ( fWindow != NULL ) { /* If we already have a window, clean
* it up before trying to subclass
* the new window. */
if ( window && window->window && wMain == (HWND)window->window ) {
/* The new window is the same as the old one. Exit now. */
return NS_OK;
}
// Otherwise, just reset the window ready for the new one.
PlatformResetWindow();
}
else if ( (window == NULL) || ( window->window == NULL ) ) {
/* We can just get out of here if there is no current
* window and there is no new window to use. */
return NS_OK;
}
if (window && window->window) {
// Remember our main parent HWND and wndproc.
wMain = (HWND)window->window;
fPlatform.fParentWindowProc = (WNDPROC)::GetWindowLong(wMain, GWL_WNDPROC);
NS_ABORT_IF_FALSE(fPlatform.fParentWindowProc!=NULL, "Couldn't get the parent WNDPROC");
nsresult EventsPluginInstance::PlatformCreateWindow(nsPluginWindow* window) {
// Remember parent wndproc.
fPlatform.fParentWindowProc = (WNDPROC)::GetWindowLong(wMain, GWL_WNDPROC);
NS_ABORT_IF_FALSE(fPlatform.fParentWindowProc!=NULL, "Couldn't get the parent WNDPROC");
// Create the child window that fills our nsWindow
RECT rc;
::GetWindowRect(wMain, &rc);
// Create the child window that fills our nsWindow
RECT rc;
::GetWindowRect(wMain, &rc);
wChild = ::CreateWindow("Edit", // class - standard Windows edit control.
"", // title
WS_CHILD | WS_VISIBLE, // style
0, 0, rc.right-rc.left, rc.bottom-rc.top,
wMain, // parent
(HMENU)1111, // window ID
0, // instance
NULL); //creation data.
NS_ABORT_IF_FALSE(wChild != NULL, "Failed to create the child window!");
if (!wChild)
return NS_ERROR_FAILURE;
// Stash away our "this" pointer so our WNDPROC can talk to us.
::SetProp(wChild, gInstanceLookupString, (HANDLE)this);
fPlatform.fOldChildWindowProc =
(WNDPROC)::SetWindowLong( wChild,
GWL_WNDPROC,
(LONG)EventsPluginInstance::WndProcChild);
/* Finally resize and clear the new window, and we are done. */
Resize();
::InvalidateRect(wMain, NULL, TRUE);
::UpdateWindow(wMain);
}
wChild = ::CreateWindow("Edit", // class - standard Windows edit control.
"", // title
WS_CHILD | WS_VISIBLE | ES_MULTILINE | ES_AUTOVSCROLL, // style
0, 0, rc.right-rc.left, rc.bottom-rc.top,
wMain, // parent
(HMENU)1111, // window ID
0, // instance
NULL); //creation data.
NS_ABORT_IF_FALSE(wChild != NULL, "Failed to create the child window!");
if (!wChild)
return NS_ERROR_FAILURE;
// Stash away our "this" pointer so our WNDPROC can talk to us.
::SetProp(wChild, gInstanceLookupString, (HANDLE)this);
fPlatform.fOldChildWindowProc =
(WNDPROC)::SetWindowLong( wChild,
GWL_WNDPROC,
(LONG)EventsPluginInstance::WndProcChild);
return NS_OK;
}
@@ -780,12 +766,27 @@ int16 EventsPluginInstance::PlatformHandleEvent(nsPluginEvent * /*event*/) {
}
void EventsPluginInstance::PlatformResetWindow() {
#ifdef EVENTSPLUGIN_DEBUG
printf("EventsPluginInstance::PlatformResetWindow\n");
#endif
fPlatform.fParentWindowProc = NULL;
::SetWindowLong(wChild, GWL_WNDPROC, (LONG)fPlatform.fOldChildWindowProc);
fPlatform.fOldChildWindowProc = NULL;
wChild = NULL;
wMain = NULL;
}
void EventsPluginInstance::PlatformResizeWindow(nsPluginWindow* window) {
#ifdef EVENTSPLUGIN_DEBUG
printf("EventsPluginInstance::PlatformResizeWindow with new size (%d,%d)\n", window->width, window->height);
#endif
RECT rc;
NS_PRECONDITION(wMain != nsnull, "Must have a valid wMain to resize");
::GetClientRect(wMain, &rc);
::SetWindowPos(wChild, 0, rc.left, rc.top,
rc.right - rc.left, rc.bottom - rc.top, SWP_NOZORDER | SWP_NOACTIVATE);
}
/* attribute string text; */
NS_IMETHODIMP EventsPluginInstance::GetVal(char * *aText) {
#ifdef EVENTSPLUGIN_DEBUG