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| TransparentImage$ = "/home/denis/kontact.png" Procedure.s find_library(libname.s); find a library with the given name - returns lib + full path prefix.s="/lib/" mypgm1= RunProgram("ls", "/lib","",#PB_Program_Open|#PB_Program_Read) mypgm= RunProgram("grep", "-i "+libname.s,"",#PB_Program_Open|#PB_Program_Connect|#PB_Program_Read,mypgm1) While ProgramRunning(mypgm) output$ + ReadProgramString(mypgm) +"|" Wend library$="" Trim(output$) output$=ReplaceString(output$,"||","|",1,1) If output$="|" ;nothing found prefix.s="/usr/lib/" mypgm1= RunProgram("ls", "/usr/lib","",#PB_Program_Open|#PB_Program_Read) mypgm= RunProgram("grep", "-i "+libname.s,"",#PB_Program_Open|#PB_Program_Connect|#PB_Program_Read,mypgm1) While ProgramRunning(mypgm) output$ + ReadProgramString(mypgm) +"|" Wend EndIf Trim(output$) output$=ReplaceString(output$,"||","|",1,1) If output$="|" :ProcedureReturn "":EndIf a=CountString(output$,"|") For m= 1 To a tmp$= StringField(output$,m,"|") ; tmp$=StringField(tmp$,2,">") If GetExtensionPart(tmp$)="so" Or FindString(tmp$,".so.",1) tmp$=Trim(tmp$) library$= tmp$ EndIf Next KillProgram(mypgm1) KillProgram(mypgm) CloseProgram(mypgm1) CloseProgram(mypgm) ProcedureReturn prefix.s+library$ EndProcedure ; Global support_alpha_channel=#False Global gtk_label_set_single_line_mode Global gtk_window_set_icon_name Global gtk_window_set_has_frame Global gdk_screen_get_rgba_colormap Global gdk_cairo_create Global gdk_window_set_back_pixmap Global cairo_set_source_rgba Global cairo_set_source_rgb Global cairo_set_operator Global cairo_paint Global cairo_stroke Global cairo_destroy Enumeration #CAIRO_OPERATOR_CLEAR #CAIRO_OPERATOR_SOURCE #CAIRO_OPERATOR_OVER #CAIRO_OPERATOR_IN #CAIRO_OPERATOR_OUT #CAIRO_OPERATOR_ATOP #CAIRO_OPERATOR_DEST #CAIRO_OPERATOR_DEST_OVER #CAIRO_OPERATOR_DEST_IN #CAIRO_OPERATOR_DEST_OUT #CAIRO_OPERATOR_DEST_ATOP #CAIRO_OPERATOR_XOR #CAIRO_OPERATOR_ADD #CAIRO_OPERATOR_SATURATE EndEnumeration ProcedureCDLL gtk_label_set_single_line_mode(*label,single_line) ProcedureReturn CallCFunctionFast(gtk_label_set_single_line_mode,*label,single_line) EndProcedure ProcedureCDLL gtk_window_set_icon_name(*window,*stock_icon) ProcedureReturn CallCFunctionFast(gtk_window_set_icon_name,*window,*stock_icon) EndProcedure ProcedureCDLL gtk_window_set_has_frame(*window,hasframe) ProcedureReturn CallCFunctionFast(gtk_window_set_has_frame,*window,hasframe) EndProcedure ProcedureCDLL gdk_screen_get_rgba_colormap(*widget) ProcedureReturn CallCFunctionFast(gdk_screen_get_rgba_colormap,*widget) EndProcedure ProcedureCDLL gdk_cairo_create(*context) ProcedureReturn CallCFunctionFast(gdk_cairo_create,*context) EndProcedure ProcedureCDLL gdk_window_set_back_pixmap(*window,*image,relative) ProcedureReturn CallCFunctionFast(gdk_window_set_back_pixmap,*window,*image,relative) EndProcedure ProcedureCDLL cairo_set_source_rgba(*cairo,r.f,g.f,b.f,a.f) ProcedureReturn CallCFunctionFast(cairo_set_source_rgba,*cairo,r.f,g.f,b.f,a.f) EndProcedure ProcedureCDLL cairo_set_source_rgb(*cairo,r.f,g.f,b.f) ProcedureReturn CallCFunctionFast(cairo_set_source_rgb,*cairo,r.f,g.f,b.f) EndProcedure ProcedureCDLL cairo_set_operator(*cairo,type) ProcedureReturn CallCFunctionFast(cairo_set_operator,*cairo,type) EndProcedure ProcedureCDLL cairo_paint(*cairo) ProcedureReturn CallCFunctionFast(cairo_paint,*cairo) EndProcedure ProcedureCDLL cairo_stroke(*cairo); ProcedureReturn CallCFunctionFast(cairo_stroke,*cairo); EndProcedure ProcedureCDLL cairo_destroy(*cairo); ProcedureReturn CallCFunctionFast(cairo_destroy,*cairo) EndProcedure ;import needed functions missing in PB ;{ mylib.s=find_library("libgtk-x11-2.0.so") If OpenLibrary(0,mylib) gtk_label_set_single_line_mode=GetFunction(0,"gtk_label_set_single_line_mode") gtk_window_set_icon_name=GetFunction(0,"gtk_window_set_icon_name") gtk_window_set_has_frame=GetFunction(0,"gtk_window_set_has_frame") EndIf mylib1.s=find_library("libgdk_pixbuf-2.0.so") If OpenLibrary(1,mylib1) gdk_screen_get_rgba_colormap=GetFunction(1,"gdk_screen_get_rgba_colormap") gdk_cairo_create=GetFunction(1,"gdk_cairo_create") gdk_window_set_back_pixmap=GetFunction(1,"gdk_window_set_back_pixmap") EndIf If gdk_screen_get_rgba_colormap = 0 CloseLibrary(1) mylib1.s=find_library("libgdk_pixbuf-2.0.so.0") If OpenLibrary(1,mylib1) gdk_screen_get_rgba_colormap=GetFunction(1,"gdk_screen_get_rgba_colormap") gdk_cairo_create=GetFunction(1,"gdk_cairo_create") gdk_window_set_back_pixmap=GetFunction(1,"gdk_window_set_back_pixmap") EndIf EndIf mylib2.s=find_library("libcairo.so") If OpenLibrary(2,mylib2) cairo_set_source_rgba=GetFunction(2,"cairo_set_source_rgba") cairo_set_source_rgb=GetFunction(2,"cairo_set_source_rgb") cairo_set_operator=GetFunction(2,"cairo_set_operator") cairo_paint=GetFunction(2,"cairo_paint") cairo_stroke=GetFunction(2,"cairo_stroke") cairo_destroy=GetFunction(2,"cairo_destroy"); EndIf ;} ProcedureCDLL expose(hwnd, *event,*user_data) *xhw.GtkWidget *xhw=*user_data *cr=gdk_cairo_create(*xhw\window) If *cr If support_alpha_channel = #True cairo_set_source_rgba(*cr,1.0,1.0,1.0,0.0) Else cairo_set_source_rgb(*cr,1.0,1.0,1.0) EndIf ;drawing the background cairo_set_operator(*cr,#cairo_operator_source) cairo_paint(*cr) cairo_destroy(*cr); EndIf ProcedureReturn #False EndProcedure ProcedureCDLL screen_changed(*hwnd, *old_screen, *user_data) ;checking if an alpha channel is available for this screen/Windowmanager *screen=gtk_widget_get_screen_(*hwnd) *colormap=gdk_screen_get_rgba_colormap(*screen) If *colormap ;yes, it is support_alpha_channel=#True Else ; sorry MessageRequester("No Alpha Support", "Your Screen doesn't support an alpha channel...",#PB_MessageRequester_Ok) *colormap=gdk_screen_get_rgb_colormap_(*screen) support_alpha_channel=#False EndIf ; using the appropriate colormap For this screen gtk_widget_set_colormap_(*hwnd,*colormap) ProcedureReturn 1 EndProcedure ProcedureCDLL clicked(*hwnd, *event, *user_data) *hwnd=*user_data; ????? why? *hwnd is always zero.... but shouldn't gtk_window_get_position_(*hwnd,@x,@y) If gtk_window_get_decorated_(*hwnd)=#True gtk_window_set_decorated_(*hwnd, #False) Else gtk_window_set_decorated_(*hwnd, #True) EndIf gtk_window_move_(*hwnd,x,y) ProcedureReturn 1 EndProcedure ProcedureCDLL exit_button_click(*widget,*event,*user_data) ;cleanup gtk_main_quit_() End EndProcedure *window1=gtk_window_new_(#GTK_WINDOW_TOPLEVEL) gtk_window_set_title_(*window1,"Alpha test") gtk_window_set_resizable_(*window1,#False) gtk_window_move_(*window1,200,200) *fixed1 = gtk_fixed_new_(); gtk_widget_show_(*fixed1); gtk_container_add_(*window1, *fixed1); gtk_widget_set_parent_window_(*window1,*window) *image=gtk_image_new_from_file_(TransparentImage$) ;<<<<<<<<<<<<--------------- ändern--------------------<<<<<<<<<<<<<<<<<<< gtk_fixed_put_(*fixed1,*image,0,0) gtk_widget_show_(*image) g_signal_connect_object_(*window1,"expose-event" ,@expose(),*window,#G_CONNECT_SWAPPED); g_signal_connect_object_(*window1, "screen-changed", @screen_changed(), *pointer,#G_CONNECT_SWAPPED); g_signal_connect_object_(*window1,"delete-event",@exit_button_click(),*pointer,#G_CONNECT_SWAPPED) gtk_widget_add_events_(*window1, #GDK_BUTTON_PRESS_MASK); g_signal_connect_object_(*window1, "button-press-event", @clicked(), *pointer,#G_CONNECT_SWAPPED); gtk_widget_set_app_paintable_(*window1, #True) screen_changed(*window1, #Null, #Null); gtk_widget_show_all_(*window1) gtk_main_() |