diff -r 06b363db745c -r ea9ba622db3f plugins/win32/winprefs/gtkappbar.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/win32/winprefs/gtkappbar.c	Fri Aug 08 01:05:03 2003 +0000
@@ -0,0 +1,456 @@
+/*
+ * gaim - WinGaim Options Plugin
+ *
+ * File: gtkappbar.c
+ * Date: August 2, 2003
+ * Description: Appbar functionality for Windows GTK+ applications
+ * 
+ * Copyright (C) 2003, Herman Bloggs <hermanator12002@yahoo.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+/*
+ *  TODO:
+ *  - Move 'App on top' feature from Trans plugin to here
+ *  - Bug: Multiple Show/Hide Desktop calls causes client area to disapear
+ */
+#include <windows.h>
+#include <winver.h>
+#include <stdio.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkwin32.h>
+#include "gtkappbar.h"
+#include "debug.h"
+
+#define APPBAR_CALLBACK 	WM_USER + 1010
+
+static void get_window_normal_rc(HWND hwnd, RECT *rc) {
+         WINDOWPLACEMENT wplc;
+         GetWindowPlacement(hwnd, &wplc);
+         CopyRect(rc, &wplc.rcNormalPosition);
+}
+
+static void print_rect(RECT *rc) {
+        gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "RECT: L:%ld R:%ld T:%ld B:%ld\n",
+                   rc->left, rc->right, rc->top, rc->bottom);
+}
+
+static void set_toolbar(HWND hwnd, gboolean val) {
+	LONG style=0;
+
+        style = GetWindowLong(hwnd, GWL_EXSTYLE);
+        if(val && !(style & WS_EX_TOOLWINDOW))
+                style |= WS_EX_TOOLWINDOW;
+        else if(!val && style & WS_EX_TOOLWINDOW)
+                style &= ~WS_EX_TOOLWINDOW;
+        else
+                return;
+        SetWindowLong(hwnd, GWL_EXSTYLE, style);
+        SetWindowPos(hwnd, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
+}
+
+static gboolean gtk_appbar_register(GtkAppBar *ab, HWND hwnd) {
+	APPBARDATA abd;
+
+	abd.cbSize = sizeof(APPBARDATA);
+	abd.hWnd = hwnd;
+	abd.uCallbackMessage = APPBAR_CALLBACK;
+
+	ab->registered = SHAppBarMessage(ABM_NEW, &abd);
+
+	return ab->registered;
+}
+
+static gboolean gtk_appbar_unregister(GtkAppBar *ab, HWND hwnd) {
+	APPBARDATA abd;
+
+        if(!ab->registered)
+                return TRUE;
+
+	abd.cbSize = sizeof(APPBARDATA);
+	abd.hWnd = hwnd;
+
+	ab->registered = !SHAppBarMessage(ABM_REMOVE, &abd);
+
+        if(!ab->registered) {
+                ab->docked = FALSE;
+                ab->docking = FALSE;
+        }
+	return !ab->registered;
+}
+
+static void gtk_appbar_querypos(GtkAppBar *ab, HWND hwnd, RECT *rc) {
+	APPBARDATA abd;
+	int iWidth = 0;
+
+        if(!ab->registered)
+                gtk_appbar_register(ab, hwnd);
+
+	abd.hWnd = hwnd;
+	abd.cbSize = sizeof(APPBARDATA);
+        CopyRect(&abd.rc, rc);
+	abd.uEdge = ab->side;
+
+        iWidth = abd.rc.right - abd.rc.left;
+        
+        abd.rc.top = 0;
+        abd.rc.bottom = GetSystemMetrics(SM_CYSCREEN);
+	switch (abd.uEdge)
+	{
+		case ABE_LEFT:
+                        abd.rc.left = 0;
+			abd.rc.right = iWidth;
+			break;
+
+		case ABE_RIGHT:
+                        abd.rc.right = GetSystemMetrics(SM_CXSCREEN);
+			abd.rc.left = abd.rc.right - iWidth;
+			break;
+	}
+
+        /* Ask the system for the screen space */
+	SHAppBarMessage(ABM_QUERYPOS, &abd);
+
+	switch (abd.uEdge)
+	{
+		case ABE_LEFT:
+                        abd.rc.right = abd.rc.left + iWidth;
+			break;
+
+		case ABE_RIGHT:
+			abd.rc.left = abd.rc.right - iWidth;
+			break;
+	}
+
+	CopyRect(rc, &abd.rc);
+}
+
+static void gtk_appbar_setpos(GtkAppBar *ab, HWND hwnd) {
+        APPBARDATA abd;
+
+        if(!ab->registered)
+                gtk_appbar_register(ab, hwnd);
+
+	abd.hWnd = hwnd;
+	abd.cbSize = sizeof(APPBARDATA);
+        CopyRect(&abd.rc, &(ab->docked_rect));
+	abd.uEdge = ab->side;
+
+	SHAppBarMessage(ABM_SETPOS, &abd);
+}
+
+static GdkFilterReturn wnd_moving(GtkAppBar *ab, GdkXEvent *xevent) {
+        MSG *msg = (MSG*)xevent;
+        POINT cp;
+        LONG cxScreen;
+        RECT *rc = (RECT*)msg->lParam;
+        int side = -1;
+
+        gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "wnd_moving\n");
+
+        cxScreen = GetSystemMetrics(SM_CXSCREEN);
+        GetCursorPos(&cp);
+
+        /* Which part of the screen are we in ? */
+        if( cp.x > (cxScreen - (cxScreen / 10)) )
+                side = ABE_RIGHT;
+        else if( cp.x < (cxScreen / 10) )
+                side = ABE_LEFT;
+
+        if(!ab->docked) {
+                if( (side == ABE_RIGHT || side == ABE_LEFT) ) {
+                        if( !ab->docking ) {
+                                ab->side = side;
+                                GetWindowRect(msg->hwnd, &(ab->docked_rect));
+                                gtk_appbar_querypos(ab, msg->hwnd, &(ab->docked_rect));
+
+                                /* save pre-docking height */
+                                ab->undocked_height = rc->bottom - rc->top;
+                                ab->docking = TRUE;
+                        }
+                }
+                else
+                        ab->docking = FALSE;
+        }
+        else if(side < 0) {
+                gtk_appbar_unregister(ab, msg->hwnd);
+                rc->bottom = rc->top + ab->undocked_height;
+        }
+
+        /* Switch to toolbar/regular caption*/ 
+        if(ab->docking)
+                set_toolbar(msg->hwnd, TRUE);
+        else if(!ab->docked)
+                set_toolbar(msg->hwnd, FALSE);
+
+        return GDK_FILTER_CONTINUE;
+}
+
+static GdkFilterReturn wnd_sizing(GtkAppBar *ab, GdkXEvent *xevent) {
+        MSG *msg = (MSG*)xevent;
+
+        gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "wnd_sizing\n");
+        if(ab->docked) {
+                RECT *rc = (RECT*)msg->lParam;
+                if(ab->side == ABE_LEFT && msg->wParam == WMSZ_RIGHT) {
+                        ab->docked_rect.right = rc->right;
+                        gtk_appbar_setpos(ab, msg->hwnd);
+                }
+                else if(ab->side == ABE_RIGHT && msg->wParam == WMSZ_LEFT) {
+                        ab->docked_rect.left = rc->left;
+                        gtk_appbar_setpos(ab, msg->hwnd);
+                }
+                return GDK_FILTER_REMOVE;
+        }
+        return GDK_FILTER_CONTINUE;
+}
+
+static GdkFilterReturn wnd_poschanging(GtkAppBar *ab, GdkXEvent *xevent) {
+        MSG *msg = (MSG*)xevent;
+        WINDOWPOS *wpos = (WINDOWPOS*)msg->lParam;
+
+        gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "wnd_poschanging\n");
+
+        if(ab->docked || ab->docking) {
+                wpos->x = ab->docked_rect.left;
+                wpos->y = ab->docked_rect.top;
+                wpos->cx = ab->docked_rect.right - ab->docked_rect.left;
+                wpos->cy = ab->docked_rect.bottom - ab->docked_rect.top;
+                if(IsIconic(msg->hwnd))
+                        set_toolbar(msg->hwnd, FALSE);
+                /*return GDK_FILTER_REMOVE;*/
+        }
+        return GDK_FILTER_CONTINUE;
+}
+
+static GdkFilterReturn wnd_exitsizemove(GtkAppBar *ab, GdkXEvent *xevent) {
+        MSG *msg = (MSG*)xevent;
+
+        if(ab->docking) {
+                gtk_appbar_setpos(ab, msg->hwnd);
+                ab->docking = FALSE;
+                ab->docked = TRUE;
+        }
+        else if(!ab->docked) {
+                gtk_appbar_unregister(ab, msg->hwnd);
+        }
+
+        return GDK_FILTER_CONTINUE;
+}
+
+static GdkFilterReturn wnd_showwindow(GtkAppBar *ab, GdkXEvent *xevent) {
+        MSG *msg = (MSG*)xevent;
+
+        gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "wnd_showwindow\n");
+        if(msg->wParam && ab->docked) {
+                gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "shown\n");
+                ab->docked = FALSE;
+                gtk_appbar_dock(ab, ab->side);
+                
+        }
+        else if(!msg->wParam && ab->docked) {
+                gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "hidden\n");
+                gtk_appbar_unregister(ab, GDK_WINDOW_HWND(ab->win->window));
+                set_toolbar(GDK_WINDOW_HWND(ab->win->window), FALSE);
+                ab->docked = TRUE;
+        }
+        return GDK_FILTER_CONTINUE;
+}
+
+static GdkFilterReturn wnd_size(GtkAppBar *ab, GdkXEvent *xevent) {
+        MSG *msg = (MSG*)xevent;
+
+        gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "wnd_size\n");
+
+        if(msg->wParam == SIZE_MINIMIZED) {
+                gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "Minimize\n");
+                if(ab->docked) {
+                        gtk_appbar_unregister(ab, GDK_WINDOW_HWND(ab->win->window));
+                        ab->docked = TRUE;
+                }
+        }
+        else if(msg->wParam == SIZE_RESTORED) {
+                gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "Restore\n");
+                if(ab->docked) {
+                        gtk_appbar_dock(ab, ab->side);
+                }
+        }
+        return GDK_FILTER_CONTINUE;
+}
+
+static GdkFilterReturn wnd_nchittest(GtkAppBar *ab, GdkXEvent *xevent) {
+        MSG *msg = (MSG*)xevent;
+        
+        if(ab->docked) {
+                UINT ret = DefWindowProc(msg->hwnd, msg->message, msg->wParam, msg->lParam);
+
+                switch(ret) {
+                case HTBOTTOM:
+                case HTBOTTOMLEFT:
+                case HTBOTTOMRIGHT:
+                case HTTOP:
+                case HTTOPLEFT:
+                case HTTOPRIGHT: 
+                        return GDK_FILTER_REMOVE;
+                case HTLEFT:
+                        if(ab->side == ABE_LEFT)
+                                return GDK_FILTER_REMOVE;
+                        break;
+                case HTRIGHT:
+                        if(ab->side == ABE_RIGHT)
+                                return GDK_FILTER_REMOVE;
+                        break;
+                }
+        }
+        return GDK_FILTER_CONTINUE;
+}
+
+#if 0
+static GdkFilterReturn wnd_initmenupopup(GtkAppBar *ab, GdkXEvent *xevent) {
+        MSG *msg = (MSG*)xevent;
+
+        if(ab->docked && HIWORD(msg->lParam)) {
+                HMENU sysmenu = GetSystemMenu(msg->hwnd, FALSE);
+                gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "wnd_initpopupmenu: docked: %d ismenu: %d\n", ab->docked, IsMenu(sysmenu));
+                if(EnableMenuItem(sysmenu, SC_MAXIMIZE, MF_BYCOMMAND|MF_GRAYED)<0)
+                        gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "SC_MAXIMIZE Menu item does not exist\n");
+                if(EnableMenuItem(sysmenu, SC_MOVE, MF_BYCOMMAND|MF_GRAYED)<0)
+                        gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "SC_MOVE Menu item does not exist\n");
+                return GDK_FILTER_CONTINUE;
+        }
+        else
+                GetSystemMenu(msg->hwnd, TRUE);
+        return GDK_FILTER_CONTINUE;
+}
+#endif
+
+static GdkFilterReturn gtk_appbar_callback(GtkAppBar *ab, GdkXEvent *xevent) {
+        MSG *msg = (MSG*)xevent;
+
+        gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "gtk_appbar_callback\n");
+        switch (msg->wParam) {
+        case ABN_STATECHANGE:
+                gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "gtk_appbar_callback: ABN_STATECHANGE\n");
+	        break;
+
+        case ABN_FULLSCREENAPP:
+                gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "gtk_appbar_callback: ABN_FULLSCREENAPP: %d\n", (BOOL)msg->lParam);
+                break;
+        
+    	case ABN_POSCHANGED:
+                gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "gtk_appbar_callback: ABN_POSCHANGED\n");
+                gtk_appbar_querypos(ab, msg->hwnd, &(ab->docked_rect));
+                MoveWindow(msg->hwnd, ab->docked_rect.left, ab->docked_rect.top, 
+                           ab->docked_rect.right - ab->docked_rect.left,
+                           ab->docked_rect.bottom - ab->docked_rect.top, TRUE);
+                gtk_appbar_setpos(ab, msg->hwnd);
+        	break;
+        }
+        return GDK_FILTER_CONTINUE;
+}
+
+static GdkFilterReturn gtk_appbar_event_filter(GdkXEvent *xevent, GdkEvent *event, gpointer data) {
+	MSG *msg = (MSG*)xevent;
+
+        /*printf("MSG: %s\n", message_to_string (msg->message));*/
+        switch(msg->message) {
+        case WM_EXITSIZEMOVE:
+                return wnd_exitsizemove(data, xevent);
+        case WM_WINDOWPOSCHANGING:
+                return wnd_poschanging(data, xevent);
+        case WM_SIZING:
+                return wnd_sizing(data, xevent);
+        case WM_MOVING:
+                return wnd_moving(data, xevent);
+        case WM_SHOWWINDOW:
+                return wnd_showwindow(data, xevent);
+        case WM_NCHITTEST:
+                return wnd_nchittest(data, xevent);
+#if 0
+        case WM_INITMENUPOPUP:
+                return wnd_initmenupopup(data, xevent);
+#endif
+        case WM_SIZE:
+                return wnd_size(data, xevent);
+        case APPBAR_CALLBACK:
+                return gtk_appbar_callback(data, xevent);
+        default:
+        }
+        return GDK_FILTER_CONTINUE;
+}
+
+void gtk_appbar_dock(GtkAppBar *ab, UINT side) {
+        RECT orig;
+
+        gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "gtk_appbar_dock\n");
+
+        if(!ab || !IsWindow(GDK_WINDOW_HWND(ab->win->window)))
+                return;
+
+        ab->side = side;
+        get_window_normal_rc(GDK_WINDOW_HWND(ab->win->window), &(ab->docked_rect));
+        CopyRect(&orig, &(ab->docked_rect));
+        print_rect(&(ab->docked_rect));
+        gtk_appbar_querypos(ab, GDK_WINDOW_HWND(ab->win->window), &(ab->docked_rect));
+        if(EqualRect(&orig, &(ab->docked_rect)) == 0)
+                MoveWindow(GDK_WINDOW_HWND(ab->win->window),
+                           ab->docked_rect.left,
+                           ab->docked_rect.top, 
+                           ab->docked_rect.right - ab->docked_rect.left,
+                           ab->docked_rect.bottom - ab->docked_rect.top, TRUE);
+        gtk_appbar_setpos(ab, GDK_WINDOW_HWND(ab->win->window));
+        set_toolbar(GDK_WINDOW_HWND(ab->win->window), TRUE);
+        ab->docked = TRUE;
+}
+
+GtkAppBar *gtk_appbar_add(GtkWidget *win) {
+        GtkAppBar *ab;
+
+        gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "gtk_appbar_add\n");
+
+        if(!win)
+                return NULL;
+        ab = g_new0(GtkAppBar, 1);
+        ab->win = win;
+
+        /* init docking coords */
+        get_window_normal_rc(GDK_WINDOW_HWND(win->window), &(ab->docked_rect));
+
+        /* Add main window filter */
+	gdk_window_add_filter(win->window,
+                              gtk_appbar_event_filter,
+                              ab);
+        return ab;
+}
+
+void gtk_appbar_remove(GtkAppBar *ab) {
+        gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "gtk_appbar_remove\n");
+
+        if(!ab)
+                return;
+        gdk_window_remove_filter(ab->win->window,
+                                 gtk_appbar_event_filter,
+                                 ab);
+        if(ab->docked) {
+                gtk_window_resize(GTK_WINDOW(ab->win),
+                                  ab->docked_rect.right - ab->docked_rect.left,
+                                  ab->undocked_height);
+                set_toolbar(GDK_WINDOW_HWND(ab->win->window), FALSE);
+        }
+        gtk_appbar_unregister(ab, GDK_WINDOW_HWND(ab->win->window));
+
+        g_free(ab);
+}