+ Added third gdk article

This commit is contained in:
michael 2001-03-26 19:45:36 +00:00
parent 0ca35bb1ee
commit c2e90d2919
9 changed files with 533 additions and 0 deletions

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program ex1;
{$mode objfpc}
uses
glib,gtk;
var
Window : PGtkWidget;
WinBox : PGtkWidget;
MenuBar : PGtkWidget;
DisplayLabel : PgtkWidget;
procedure destroy(widget : pGtkWidget ; data: pgpointer ); cdecl;
begin
gtk_main_quit();
end;
procedure menu(Data : GPointer; Action : Guint; Widget : pGtkWidget); cdecl;
Var
TheLabel : PgtkWidget;
LabelText : Pchar;
S : AnsiString;
begin
TheLabel := g_list_nth_data(gtk_container_children(GTK_CONTAINER(Widget)),0);
gtk_label_get(gtk_Label(theLabel),@LabelText);
S := 'Chosen menu : ' + Strpas(Labeltext);
gtk_label_set_text(GTK_LABEL(DisplayLabel),pchar(S));
end;
{
TGtkItemFactoryEntry = record
path : Pgchar;
accelerator : Pgchar;
callback : TGtkItemFactoryCallback;
callback_action : guint;
item_type : Pgchar;
end;
}
Type
FC = TGtkItemFactoryCallback;
Const
NrMenuItems = 21;
TheMenu : Array[1..NrMenuItems] of TGtkItemFactoryEntry = (
(path:'/_File';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<Branch>'),
(path:'/File/_New';Accelerator:'<ctrl>N';Callback:FC(@Menu);Callback_action:1;item_type:Nil),
(path:'/File/_Open';Accelerator:'<control>O';Callback:FC(@Menu);Callback_action:1;item_type:Nil),
(path:'/File/_Save';Accelerator:'<control>S';Callback:FC(@Menu);Callback_action:1;item_type:Nil),
(path:'/File/sep1';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<Separator>'),
(path:'/File/E_xit';Accelerator:'<alt>X';Callback:FC(@destroy);Callback_action:1;item_type:Nil),
(path:'/_Radio';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<Branch>'),
(path:'/Radio/Radio _1';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<RadioItem>'),
(path:'/Radio/Radio _2';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<RadioItem>'),
(path:'/Radio/Radio _3';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<RadioItem>'),
(path:'/_Check';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<Branch>'),
(path:'/Check/Check _1';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<CheckItem>'),
(path:'/Check/Check _2';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<CheckItem>'),
(path:'/Check/Check _3';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<CheckItem>'),
(path:'/_Toggle';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<Branch>'),
(path:'/Toggle/Toggle _1';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<CheckItem>'),
(path:'/Toggle/Toggle _2';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<CheckItem>'),
(path:'/Toggle/Toggle _3';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<CheckItem>'),
(path:'/_Help';Accelerator:Nil;Callback:Nil;Callback_action:1;item_type:'<LastBranch>'),
(path:'/Help/Contents';Accelerator:'F1';Callback:FC(@Menu);Callback_action:1;item_type:Nil),
(path:'/Help/About';Accelerator:'<mod1>A';Callback:FC(@Menu);Callback_action:1;item_type:Nil)
);
Procedure MakeMenu;
Var
Factory : PGtkItemFactory;
Accel : PGtkAccelGroup;
begin
accel:=gtk_accel_group_new;
factory :=gtk_item_factory_new(GTK_MENU_BAR_TYPE,'<main>',accel);
gtk_item_factory_create_items(Factory,NrMenuItems,@TheMenu,Nil);
gtk_window_add_accel_group(GTK_Window(Window),accel);
MenuBar:=gtk_item_factory_get_widget (Factory, '<main>');
end;
begin
gtk_init (@argc, @argv);
window := gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW(Window),'Menu using an item factory');
gtk_widget_set_usize (Window, 300, 200);
gtk_signal_connect (PGTKOBJECT (window), 'destroy',
GTK_SIGNAL_FUNC (@destroy), NULL);
WinBox := gtk_vbox_new(False,0);
gtk_widget_show(WinBox);
Gtk_container_add(GTK_CONTAINER(Window),WinBox);
MakeMenu;
gtk_widget_show(MenuBar);
Gtk_box_pack_start(GTK_BOX(Winbox),MenuBar,False,False,2);
DisplayLabel := gtk_label_new('Chosen menu : (none)');
gtk_widget_show(DisplayLabeL);
Gtk_box_pack_start(GTK_BOX(WinBox),DisplayLabel,TRUE,TRUE,10);
gtk_widget_show (window);
gtk_main ();
end.

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program ex2;
{$mode objfpc}
uses
gdk,glib,gtk;
procedure destroy(widget : pGtkWidget ; data: pgpointer ); cdecl;
begin
gtk_main_quit();
end;
procedure menu(widget : pGtkWidget ; data: pgpointer ); cdecl;
Var
TheLabel : PgtkWidget;
LabelText : Pchar;
S : AnsiString;
begin
TheLabel := g_list_nth_data(gtk_container_children(GTK_CONTAINER(Widget)),0);
gtk_label_get(gtk_Label(theLabel),@LabelText);
S := 'Chosen menu : ' + Strpas(Labeltext);
gtk_label_set_text(GTK_LABEL(data),pchar(S));
end;
Function AddMenuToMenuBar (MenuBar : PGtkMenuBar;
ShortCuts : PGtkAccelGroup;
Caption : AnsiString;
CallBack : TgtkSignalFunc;
CallBackdata : Pointer;
AlignRight : Boolean;
Var MenuItem : PgtkMenuItem
) : PGtkMenu;
Var
Key : guint;
TheLabel : PGtkLabel;
begin
MenuItem:=pgtkmenuitem(gtk_menu_item_new_with_label(''));
If AlignRight Then
gtk_menu_item_right_justify(MenuItem);
TheLabel:=GTK_LABEL(GTK_BIN(MenuItem)^.child);
Key:=gtk_label_parse_uline(TheLabel,Pchar(Caption));
If Key<>0 then
gtk_widget_add_accelerator(PGtkWidget(MenuItem),'activate_item',
Shortcuts,Key,
GDK_MOD1_MASK,GTK_ACCEL_LOCKED);
Result:=PGtkMenu(gtk_menu_new);
If CallBack<>Nil then
gtk_signal_connect(PGtkObject(result),'activate',
CallBack,CallBackdata);
gtk_widget_show(PgtkWidget(MenuItem));
gtk_menu_item_set_submenu(MenuItem, PgtkWidget(Result));
gtk_menu_bar_append(MenuBar,PgtkWidget(MenuItem));
end;
Function AddItemToMenu (Menu : PGtkMenu;
ShortCuts : PGtkAccelGroup;
Caption : AnsiString;
ShortCut : AnsiString;
CallBack : TgtkSignalFunc;
CallBackdata : Pointer
) : PGtkMenuItem;
Var
Key,Modifiers : guint;
LocalAccelGroup : PGtkAccelGroup;
TheLabel : PGtkLabel;
begin
Result:=pgtkmenuitem(gtk_menu_item_new_with_label(''));
TheLabel:=GTK_LABEL(GTK_BIN(Result)^.child);
Key:=gtk_label_parse_uline(TheLabel,Pchar(Caption));
If Key<>0 then
begin
LocalAccelGroup:=gtk_menu_ensure_uline_accel_group(Menu);
gtk_widget_add_accelerator(PGtkWidget(result),'activate_item',
LocalAccelGroup,Key,
0,TGtkAccelFlags(0));
end;
gtk_menu_append(Menu,pgtkWidget(result));
If (ShortCut<>'') and (ShortCuts<>Nil) then
begin
gtk_accelerator_parse (pchar(ShortCut), @key, @modifiers);
gtk_widget_add_accelerator(PGtkWidget(result),'activate_item',
ShortCuts,Key,
modifiers, GTK_ACCEL_VISIBLE);
end;
If CallBack<>Nil then
gtk_signal_connect(PGtkObject(result),'activate',
CallBack,CallBackdata);
gtk_widget_show(PgtkWidget(result));
end;
Function AddSeparatorToMenu(Menu : PgtkMenu) : PgtkMenuItem;
begin
Result:=pgtkmenuitem(gtk_menu_item_new());
gtk_menu_append(Menu,pgtkWidget(result));
gtk_widget_show(PgtkWidget(result));
end;
var
Window : PGtkWidget;
WinBox : PGtkWidget;
MenuBar : PGtkMenuBar;
FileMenu : PGtkMenu;
TempMenuItem : PgtkMenuItem;
DisplayLabel : PgtkWidget;
HelpMenu : PgtkMenu;
Accel : PGtkAccelGroup;
begin
gtk_init (@argc, @argv);
window := gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW(Window),'Menu made manually');
gtk_widget_set_usize (Window, 300, 200);
gtk_signal_connect (PGTKOBJECT (window), 'destroy',
GTK_SIGNAL_FUNC (@destroy), NULL);
accel:=gtk_accel_group_new;
gtk_window_add_accel_group(GTK_Window(Window),accel);
WinBox := gtk_vbox_new(False,0);
gtk_widget_show(WinBox);
Gtk_container_add(GTK_CONTAINER(Window),WinBox);
MenuBar := PgtkMenuBar(gtk_menu_bar_new);
gtk_widget_show(PgtkWidget(MenuBar));
Gtk_box_pack_start(GTK_BOX(Winbox),PgtkWidget(MenuBar),False,False,2);
DisplayLabel := gtk_label_new('Chosen menu : (none)');
gtk_widget_show(DisplayLabeL);
Gtk_box_pack_start(GTK_BOX(WinBox),DisplayLabel,TRUE,TRUE,10);
FileMenu:=AddMenuToMenuBar(MenuBar,accel,'_File',Nil,Nil,False,TempMenuItem);
AddItemToMenu(FileMenu,accel,'_New','<control>N',TgtkSignalFunc(@menu),DisplayLabel);
AddItemToMenu(FileMenu,accel,'_Open','<control>O',TgtkSignalFunc(@menu),DisplayLabel);
AddItemToMenu(FileMenu,accel,'_Save','<control>S',TgtkSignalFunc(@menu),DisplayLabel);
AddSeparatorToMenu(PGtkMenu(FileMenu));
AddItemToMenu(FileMenu,accel,'_Quit','<control>Q',TgtkSignalFunc(@destroy),Nil);
HelpMenu:=AddMenuToMenuBar(MenuBar,Accel,'_Help',Nil,Nil,True,TempMenuItem);
AddItemToMenu(HelpMenu,accel,'_Contents','F1',TgtkSignalFunc(@menu),DisplayLabel);
AddItemToMenu(HelpMenu,accel,'_About','<alt>A',TgtkSignalFunc(@menu),DisplayLabel);
gtk_widget_show (window);
gtk_main ();
end.

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program ex3;
{$mode objfpc}
uses
gdk,glib,gtk;
procedure destroy(widget : pGtkWidget ; data: pgpointer ); cdecl;
begin
gtk_main_quit();
end;
procedure menu(widget : pGtkWidget ; data: pgpointer ); cdecl;
Var
TheLabel : PgtkWidget;
LabelText : Pchar;
S : AnsiString;
begin
If Data<>Nil then
begin
TheLabel := g_list_nth_data(gtk_container_children(GTK_CONTAINER(Widget)),0);
gtk_label_get(gtk_Label(theLabel),@LabelText);
S := 'Chosen menu : ' + Strpas(Labeltext);
gtk_label_set_text(GTK_LABEL(data),pchar(S));
end;
end;
Function AddMenuToMenuBar (MenuBar : PGtkMenuBar;
ShortCuts : PGtkAccelGroup;
Caption : AnsiString;
CallBack : TgtkSignalFunc;
CallBackdata : Pointer;
AlignRight : Boolean;
Var MenuItem : PgtkMenuItem
) : PGtkMenu;
Var
Key : guint;
TheLabel : PGtkLabel;
begin
MenuItem:=pgtkmenuitem(gtk_menu_item_new_with_label(''));
If AlignRight Then
gtk_menu_item_right_justify(MenuItem);
TheLabel:=GTK_LABEL(GTK_BIN(MenuItem)^.child);
Key:=gtk_label_parse_uline(TheLabel,Pchar(Caption));
If Key<>0 then
gtk_widget_add_accelerator(PGtkWidget(MenuItem),'activate_item',
Shortcuts,Key,
GDK_MOD1_MASK,GTK_ACCEL_LOCKED);
Result:=PGtkMenu(gtk_menu_new);
If CallBack<>Nil then
gtk_signal_connect(PGtkObject(result),'activate',
CallBack,CallBackdata);
gtk_widget_show(PgtkWidget(MenuItem));
gtk_menu_item_set_submenu(MenuItem, PgtkWidget(Result));
gtk_menu_bar_append(MenuBar,PgtkWidget(MenuItem));
end;
Function AddItemToMenu (Menu : PGtkMenu;
ShortCuts : PGtkAccelGroup;
Caption : AnsiString;
ShortCut : AnsiString;
CallBack : TgtkSignalFunc;
CallBackdata : Pointer
) : PGtkMenuItem;
Var
Key,Modifiers : guint;
LocalAccelGroup : PGtkAccelGroup;
TheLabel : PGtkLabel;
begin
Result:=pgtkmenuitem(gtk_menu_item_new_with_label(''));
TheLabel:=GTK_LABEL(GTK_BIN(Result)^.child);
Key:=gtk_label_parse_uline(TheLabel,Pchar(Caption));
If Key<>0 then
begin
LocalAccelGroup:=gtk_menu_ensure_uline_accel_group(Menu);
gtk_widget_add_accelerator(PGtkWidget(result),'activate_item',
LocalAccelGroup,Key,
0,TGtkAccelFlags(0));
end;
gtk_menu_append(Menu,pgtkWidget(result));
If (ShortCut<>'') and (ShortCuts<>Nil) then
begin
gtk_accelerator_parse (pchar(ShortCut), @key, @modifiers);
gtk_widget_add_accelerator(PGtkWidget(result),'activate_item',
ShortCuts,Key,
modifiers, GTK_ACCEL_VISIBLE);
end;
If CallBack<>Nil then
gtk_signal_connect(PGtkObject(result),'activate',
CallBack,CallBackdata);
gtk_widget_show(PgtkWidget(result));
end;
Function AddImageItemToMenu (Menu : PGtkMenu;
ShortCuts : PGtkAccelGroup;
Caption : AnsiString;
ShortCut : AnsiString;
Bitmap : AnsiString;
CallBack : TgtkSignalFunc;
CallBackdata : Pointer
) : PGtkMenuItem;
Var
Key,Modifiers : guint;
LocalAccelGroup : PGtkAccelGroup;
TheLabel : PGtkLabel;
Image : PGtkPixmap;
hbox : PGtkHBox;
pixmap : PGdkPixmap;
BitMapdata : PGdkBitmap;
begin
Result:=pgtkmenuitem(gtk_menu_item_new);
hbox:=PGtkHBox(gtk_hbox_new(false,0));
gtk_container_add(pgtkcontainer(result),pgtkWidget(hbox));
pixmap:=gdk_pixmap_create_from_xpm(Nil,@BitmapData,Nil,pchar(BitMap));
Image := PgtkPixMap(gtk_pixmap_new(Pixmap,BitmapData));
gtk_box_pack_start(PGtkBox(hbox),pgtkWidget(image),false,false,0);
TheLabel:=PgtkLabel(gtk_label_new(''));
gtk_box_pack_start(PGtkBox(hbox),pgtkWidget(TheLabel),True,True,0);
Key:=gtk_label_parse_uline(TheLabel,Pchar(Caption));
If Key<>0 then
begin
LocalAccelGroup:=gtk_menu_ensure_uline_accel_group(Menu);
gtk_widget_add_accelerator(PGtkWidget(result),'activate_item',
LocalAccelGroup,Key,
0,TGtkAccelFlags(0));
end;
gtk_menu_append(Menu,pgtkWidget(result));
If (ShortCut<>'') and (ShortCuts<>Nil) then
begin
gtk_accelerator_parse (pchar(ShortCut), @key, @modifiers);
gtk_widget_add_accelerator(PGtkWidget(result),'activate_item',
ShortCuts,Key,
modifiers, GTK_ACCEL_VISIBLE);
end;
If CallBack<>Nil then
gtk_signal_connect(PGtkObject(result),'activate',
CallBack,CallBackdata);
gtk_widget_show_all(PgtkWidget(result));
end;
Function AddSeparatorToMenu(Menu : PgtkMenu) : PgtkMenuItem;
begin
Result:=pgtkmenuitem(gtk_menu_item_new());
gtk_menu_append(Menu,pgtkWidget(result));
gtk_widget_show(PgtkWidget(result));
end;
var
Window : PGtkWidget;
WinBox : PGtkWidget;
MenuBar : PGtkMenuBar;
FileMenu : PGtkMenu;
TempMenuItem : PgtkMenuItem;
DisplayLabel : PgtkWidget;
HelpMenu : PgtkMenu;
Accel : PGtkAccelGroup;
begin
gtk_init (@argc, @argv);
window := gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW(Window),'Menu made manually');
gtk_widget_set_usize (Window, 300, 200);
gtk_signal_connect (PGTKOBJECT (window), 'destroy',
GTK_SIGNAL_FUNC (@destroy), NULL);
accel:=gtk_accel_group_new;
gtk_window_add_accel_group(GTK_Window(Window),accel);
WinBox := gtk_vbox_new(False,0);
gtk_widget_show(WinBox);
Gtk_container_add(GTK_CONTAINER(Window),WinBox);
MenuBar := PgtkMenuBar(gtk_menu_bar_new);
gtk_widget_show(PgtkWidget(MenuBar));
Gtk_box_pack_start(GTK_BOX(Winbox),PgtkWidget(MenuBar),False,False,2);
DisplayLabel := gtk_label_new('Chosen menu : (none)');
gtk_widget_show(DisplayLabeL);
Gtk_box_pack_start(GTK_BOX(WinBox),DisplayLabel,TRUE,TRUE,10);
FileMenu:=AddMenuToMenuBar(MenuBar,accel,'_File',Nil,Nil,False,TempMenuItem);
AddImageItemToMenu(FileMenu,accel,'_New','<control>N','filenew.xpm',TgtkSignalFunc(@menu),Nil);
AddImageItemToMenu(FileMenu,accel,'_Open','<control>O','fileopen.xpm',TgtkSignalFunc(@menu),Nil);
AddImageItemToMenu(FileMenu,accel,'_Save','<control>S','filesave.xpm',TgtkSignalFunc(@menu),Nil);
AddSeparatorToMenu(PGtkMenu(FileMenu));
AddItemToMenu(FileMenu,accel,'_Quit','<control>Q',TgtkSignalFunc(@destroy),Nil);
HelpMenu:=AddMenuToMenuBar(MenuBar,Accel,'_Help',Nil,Nil,True,TempMenuItem);
AddItemToMenu(HelpMenu,accel,'_Contents','F1',TgtkSignalFunc(@menu),DisplayLabel);
AddItemToMenu(HelpMenu,accel,'_About','<alt>A',TgtkSignalFunc(@menu),DisplayLabel);
gtk_widget_show (window);
gtk_main ();
end.

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/* XPM */
static char *filenew[] = {
/* width height num_colors chars_per_pixel */
" 16 15 5 1",
/* colors */
". c #000000",
"# c #c0c0c0",
"a c #ffffff",
"b c #dcdcdc",
"c c #bfbfbf",
/* pixels */
"cccc.......ccccc",
"cccc.aaaabb.cccc",
"cccc.aaaa#ab.ccc",
"cccc.aaaa#aab.cc",
"cccc.aaaa#....cc",
"cccc.aaaaa###.cc",
"cccc.aaaaaaaa.cc",
"cccc.aaaaaaaa.cc",
"cccc.aaaaaaaa.cc",
"cccc.aaaaaaaa.cc",
"cccc.aaaaaaaa.cc",
"cccc.aaaaaaaa.cc",
"cccc.aaaaaaaa.cc",
"cccc..........cc",
"cccccccccccccccc"
};

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/* XPM */
static char *fileopen[] = {
/* width height num_colors chars_per_pixel */
" 16 15 6 1",
/* colors */
". c #000000",
"# c #808080",
"a c #c0c0c0",
"b c #ffffff",
"c c #dcdcdc",
"d c #bfbfbf",
/* pixels */
"dddddddddddddd..",
"ddddddddddddd...",
"dd....dddddddddd",
"dd.cbc.......ddd",
"dd.bcbcbcbcb.ddd",
"dd.cc..........d",
"dd.bc.ccaaaaa#.d",
"dd.c.ccacaaa#.dd",
"dd.c.ccaaa#a#.dd",
"dd..ccacaaa#.ddd",
"dd..ccaaa#a#.ddd",
"dd.########.dddd",
"dd..........dddd",
"dddddddddddddddd",
"dddddddddddddddd"
};

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/* XPM */
static char *filesave[] = {
/* width height num_colors chars_per_pixel */
" 16 16 7 1",
/* colors */
". c #ffffff",
"# c #c3c3c3",
"a c #666666",
"b c #0000cc",
"c c #000066",
"d c #000000",
"e c #b2c0dc",
/* pixels */
"eeeeeeeeeeeeeeee",
"edddddddddddddee",
"edb........bbdae",
"edb.ddddd..bbdae",
"edb........bbdae",
"edb.ddd....bbdae",
"edb........bbdae",
"edb........bbdae",
"edbbbbbbbbbbbdae",
"edbcccccccccbdae",
"edbcccccccccbdae",
"edbcc#####ccbdae",
"edbcc##cc#ccbdae",
"edbcc##cc#ccbdae",
"edddddddddddddae",
"eeaaaaaaaaaaaaae"
};