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Diffstat (limited to 'body/fltk-widgets-valuators-sliders.adb')
| -rw-r--r-- | body/fltk-widgets-valuators-sliders.adb | 382 |
1 files changed, 382 insertions, 0 deletions
diff --git a/body/fltk-widgets-valuators-sliders.adb b/body/fltk-widgets-valuators-sliders.adb new file mode 100644 index 0000000..b81729f --- /dev/null +++ b/body/fltk-widgets-valuators-sliders.adb @@ -0,0 +1,382 @@ + + +-- Programmed by Jedidiah Barber +-- Released into the public domain + + +with + + FLTK.Widgets.Groups, + Interfaces.C.Strings; + + +package body FLTK.Widgets.Valuators.Sliders is + + + ------------------------ + -- Functions From C -- + ------------------------ + + function new_fl_slider + (X, Y, W, H : in Interfaces.C.int; + Text : in Interfaces.C.char_array) + return Storage.Integer_Address; + pragma Import (C, new_fl_slider, "new_fl_slider"); + pragma Inline (new_fl_slider); + + function new_fl_slider2 + (K : in Interfaces.C.unsigned_char; + X, Y, W, H : in Interfaces.C.int; + Text : in Interfaces.C.char_array) + return Storage.Integer_Address; + pragma Import (C, new_fl_slider2, "new_fl_slider2"); + pragma Inline (new_fl_slider2); + + procedure free_fl_slider + (D : in Storage.Integer_Address); + pragma Import (C, free_fl_slider, "free_fl_slider"); + pragma Inline (free_fl_slider); + + + + + procedure fl_slider_set_bounds + (S : in Storage.Integer_Address; + A, B : in Interfaces.C.double); + pragma Import (C, fl_slider_set_bounds, "fl_slider_set_bounds"); + pragma Inline (fl_slider_set_bounds); + + function fl_slider_get_slider + (S : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_slider_get_slider, "fl_slider_get_slider"); + pragma Inline (fl_slider_get_slider); + + procedure fl_slider_set_slider + (S : in Storage.Integer_Address; + T : in Interfaces.C.int); + pragma Import (C, fl_slider_set_slider, "fl_slider_set_slider"); + pragma Inline (fl_slider_set_slider); + + function fl_slider_get_slider_size + (S : in Storage.Integer_Address) + return Interfaces.C.C_float; + pragma Import (C, fl_slider_get_slider_size, "fl_slider_get_slider_size"); + pragma Inline (fl_slider_get_slider_size); + + procedure fl_slider_set_slider_size + (S : in Storage.Integer_Address; + T : in Interfaces.C.double); + pragma Import (C, fl_slider_set_slider_size, "fl_slider_set_slider_size"); + pragma Inline (fl_slider_set_slider_size); + + function fl_slider_scrollvalue + (S : in Storage.Integer_Address; + P, Z, F, T : in Interfaces.C.int) + return Interfaces.C.int; + pragma Import (C, fl_slider_scrollvalue, "fl_slider_scrollvalue"); + pragma Inline (fl_slider_scrollvalue); + + + + + procedure fl_slider_draw + (W : in Storage.Integer_Address); + pragma Import (C, fl_slider_draw, "fl_slider_draw"); + pragma Inline (fl_slider_draw); + + procedure fl_slider_draw2 + (S : in Storage.Integer_Address; + X, Y, W, H : in Interfaces.C.int); + pragma Import (C, fl_slider_draw2, "fl_slider_draw2"); + pragma Inline (fl_slider_draw2); + + function fl_slider_handle + (W : in Storage.Integer_Address; + E : in Interfaces.C.int) + return Interfaces.C.int; + pragma Import (C, fl_slider_handle, "fl_slider_handle"); + pragma Inline (fl_slider_handle); + + function fl_slider_handle2 + (S : in Storage.Integer_Address; + E, X, Y, W, H : in Interfaces.C.int) + return Interfaces.C.int; + pragma Import (C, fl_slider_handle2, "fl_slider_handle2"); + pragma Inline (fl_slider_handle2); + + + + + function fl_widget_get_type + (S : in Storage.Integer_Address) + return Interfaces.C.unsigned_char; + pragma Import (C, fl_widget_get_type, "fl_widget_get_type"); + pragma Inline (fl_widget_get_type); + + procedure fl_widget_set_type + (S : in Storage.Integer_Address; + T : in Interfaces.C.unsigned_char); + pragma Import (C, fl_widget_set_type, "fl_widget_set_type"); + pragma Inline (fl_widget_set_type); + + + + + ------------------- + -- Destructors -- + ------------------- + + procedure Extra_Final + (This : in out Slider) is + begin + Extra_Final (Valuator (This)); + end Extra_Final; + + + procedure Finalize + (This : in out Slider) is + begin + Extra_Final (This); + if This.Void_Ptr /= Null_Pointer and This.Needs_Dealloc then + free_fl_slider (This.Void_Ptr); + This.Void_Ptr := Null_Pointer; + end if; + end Finalize; + + + + + -------------------- + -- Constructors -- + -------------------- + + procedure Extra_Init + (This : in out Slider; + X, Y, W, H : in Integer; + Text : in String) is + begin + Extra_Init (Valuator (This), X, Y, W, H, Text); + end Extra_Init; + + + procedure Initialize + (This : in out Slider) is + begin + This.Draw_Ptr := fl_slider_draw'Address; + This.Handle_Ptr := fl_slider_handle'Address; + end Initialize; + + + package body Forge is + + function Create + (X, Y, W, H : in Integer; + Text : in String := "") + return Slider is + begin + return This : Slider do + This.Void_Ptr := new_fl_slider + (Interfaces.C.int (X), + Interfaces.C.int (Y), + Interfaces.C.int (W), + Interfaces.C.int (H), + Interfaces.C.To_C (Text)); + Extra_Init (This, X, Y, W, H, Text); + end return; + end Create; + + + function Create + (Parent : in out FLTK.Widgets.Groups.Group'Class; + X, Y, W, H : in Integer; + Text : in String := "") + return Slider is + begin + return This : Slider := Create (X, Y, W, H, Text) do + Parent.Add (This); + end return; + end Create; + + + function Create + (Kind : in Slider_Kind; + X, Y, W, H : in Integer; + Text : in String := "") + return Slider is + begin + return This : Slider do + This.Void_Ptr := new_fl_slider2 + (Slider_Kind'Pos (Kind), + Interfaces.C.int (X), + Interfaces.C.int (Y), + Interfaces.C.int (W), + Interfaces.C.int (H), + Interfaces.C.To_C (Text)); + Extra_Init (This, X, Y, W, H, Text); + end return; + end Create; + + + function Create + (Parent : in out FLTK.Widgets.Groups.Group'Class; + Kind : in Slider_Kind; + X, Y, W, H : in Integer; + Text : in String := "") + return Slider is + begin + return This : Slider := Create (Kind, X, Y, W, H, Text) do + Parent.Add (This); + end return; + end Create; + + end Forge; + + + + + ----------------------- + -- API Subprograms -- + ----------------------- + + procedure Set_Bounds + (This : in out Slider; + Min, Max : in Long_Float) is + begin + fl_slider_set_bounds + (This.Void_Ptr, + Interfaces.C.double (Min), + Interfaces.C.double (Max)); + end Set_Bounds; + + + function Get_Box + (This : in Slider) + return Box_Kind is + begin + return Box_Kind'Val (fl_slider_get_slider (This.Void_Ptr)); + end Get_Box; + + + procedure Set_Box + (This : in out Slider; + To : in Box_Kind) is + begin + fl_slider_set_slider (This.Void_Ptr, Box_Kind'Pos (To)); + end Set_Box; + + + function Get_Slide_Size + (This : in Slider) + return Float is + begin + return Float (fl_slider_get_slider_size (This.Void_Ptr)); + end Get_Slide_Size; + + + procedure Set_Slide_Size + (This : in out Slider; + To : in Long_Float) is + begin + fl_slider_set_slider_size (This.Void_Ptr, Interfaces.C.double (To)); + end Set_Slide_Size; + + + procedure Set_Scrollvalue + (This : in out Slider; + Pos_First_Line : in Natural; + Lines_In_Window : in Natural; + First_Line_Num : in Natural; + Total_Lines : in Natural) + is + Ignore_Me : Interfaces.C.int; + begin + Ignore_Me := fl_slider_scrollvalue + (This.Void_Ptr, + Interfaces.C.int (Pos_First_Line), + Interfaces.C.int (Lines_In_Window), + Interfaces.C.int (First_Line_Num), + Interfaces.C.int (Total_Lines)); + end Set_Scrollvalue; + + + + + procedure Draw + (This : in out Slider) is + begin + Valuator (This).Draw; + end Draw; + + + procedure Draw + (This : in out Slider; + X, Y, W, H : in Integer) is + begin + fl_slider_draw2 + (This.Void_Ptr, + Interfaces.C.int (X), + Interfaces.C.int (Y), + Interfaces.C.int (W), + Interfaces.C.int (H)); + end Draw; + + + function Handle + (This : in out Slider; + Event : in Event_Kind) + return Event_Outcome is + begin + return Valuator (This).Handle (Event); + end Handle; + + + function Handle + (This : in out Slider; + Event : in Event_Kind; + X, Y, W, H : in Integer) + return Event_Outcome is + begin + return Event_Outcome'Val (fl_slider_handle2 + (This.Void_Ptr, + Event_Kind'Pos (Event), + Interfaces.C.int (X), + Interfaces.C.int (Y), + Interfaces.C.int (W), + Interfaces.C.int (H))); + end Handle; + + + + + function Get_Kind + (This : in Slider) + return Slider_Kind + is + Result : Interfaces.C.unsigned_char := fl_widget_get_type (This.Void_Ptr); + begin + return Slider_Kind'Val (Result); + exception + when Constraint_Error => raise Internal_FLTK_Error with + "Fl_Slider::type returned unexpected unsigned char value of " & + Interfaces.C.unsigned_char'Image (Result); + end Get_Kind; + + + package body Extra is + + procedure Set_Kind + (This : in out Slider; + To : in Slider_Kind) is + begin + fl_widget_set_type (This.Void_Ptr, Slider_Kind'Pos (To)); + end Set_Kind; + + pragma Inline (Set_Kind); + + end Extra; + + +end FLTK.Widgets.Valuators.Sliders; + + |