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Diffstat (limited to 'body/fltk-widgets-groups-windows-opengl.adb')
| -rw-r--r-- | body/fltk-widgets-groups-windows-opengl.adb | 580 |
1 files changed, 580 insertions, 0 deletions
diff --git a/body/fltk-widgets-groups-windows-opengl.adb b/body/fltk-widgets-groups-windows-opengl.adb new file mode 100644 index 0000000..da2434c --- /dev/null +++ b/body/fltk-widgets-groups-windows-opengl.adb @@ -0,0 +1,580 @@ + + +-- Programmed by Jedidiah Barber +-- Released into the public domain + + +with + + FLTK.Show_Argv, + Interfaces.C, + System; + +use type + + Interfaces.C.int, + Interfaces.C.signed_char, + Interfaces.C.unsigned; + + +package body FLTK.Widgets.Groups.Windows.OpenGL is + + + ------------------------ + -- Functions From C -- + ------------------------ + + function new_fl_gl_window + (X, Y, W, H : in Interfaces.C.int; + Text : in Interfaces.C.char_array) + return Storage.Integer_Address; + pragma Import (C, new_fl_gl_window, "new_fl_gl_window"); + pragma Inline (new_fl_gl_window); + + function new_fl_gl_window2 + (W, H : in Interfaces.C.int; + Text : in Interfaces.C.char_array) + return Storage.Integer_Address; + pragma Import (C, new_fl_gl_window2, "new_fl_gl_window2"); + pragma Inline (new_fl_gl_window2); + + procedure free_fl_gl_window + (S : in Storage.Integer_Address); + pragma Import (C, free_fl_gl_window, "free_fl_gl_window"); + pragma Inline (free_fl_gl_window); + + + + + procedure fl_gl_window_show + (S : in Storage.Integer_Address); + pragma Import (C, fl_gl_window_show, "fl_gl_window_show"); + pragma Inline (fl_gl_window_show); + + procedure fl_gl_window_show2 + (S : in Storage.Integer_Address; + C : in Interfaces.C.int; + V : in Storage.Integer_Address); + pragma Import (C, fl_gl_window_show2, "fl_gl_window_show2"); + pragma Inline (fl_gl_window_show2); + + procedure fl_gl_window_hide + (S : in Storage.Integer_Address); + pragma Import (C, fl_gl_window_hide, "fl_gl_window_hide"); + pragma Inline (fl_gl_window_hide); + + procedure fl_gl_window_hide_overlay + (S : in Storage.Integer_Address); + pragma Import (C, fl_gl_window_hide_overlay, "fl_gl_window_hide_overlay"); + pragma Inline (fl_gl_window_hide_overlay); + + procedure fl_gl_window_flush + (S : in Storage.Integer_Address); + pragma Import (C, fl_gl_window_flush, "fl_gl_window_flush"); + pragma Inline (fl_gl_window_flush); + + + + + function fl_gl_window_pixel_h + (S : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_gl_window_pixel_h, "fl_gl_window_pixel_h"); + pragma Inline (fl_gl_window_pixel_h); + + function fl_gl_window_pixel_w + (S : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_gl_window_pixel_w, "fl_gl_window_pixel_w"); + pragma Inline (fl_gl_window_pixel_w); + + function fl_gl_window_pixels_per_unit + (S : in Storage.Integer_Address) + return Interfaces.C.C_float; + pragma Import (C, fl_gl_window_pixels_per_unit, "fl_gl_window_pixels_per_unit"); + pragma Inline (fl_gl_window_pixels_per_unit); + + procedure fl_gl_window_resize + (G : in Storage.Integer_Address; + X, Y, W, H : in Interfaces.C.int); + pragma Import (C, fl_gl_window_resize, "fl_gl_window_resize"); + pragma Inline (fl_gl_window_resize); + + + + + function fl_gl_window_get_mode + (S : in Storage.Integer_Address) + return Mode_Mask; + pragma Import (C, fl_gl_window_get_mode, "fl_gl_window_get_mode"); + pragma Inline (fl_gl_window_get_mode); + + procedure fl_gl_window_set_mode + (S : in Storage.Integer_Address; + M : in Mode_Mask); + pragma Import (C, fl_gl_window_set_mode, "fl_gl_window_set_mode"); + pragma Inline (fl_gl_window_set_mode); + + function fl_gl_window_static_can_do + (M : in Mode_Mask) + return Interfaces.C.int; + pragma Import (C, fl_gl_window_static_can_do, "fl_gl_window_static_can_do"); + pragma Inline (fl_gl_window_static_can_do); + + function fl_gl_window_can_do + (S : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_gl_window_can_do, "fl_gl_window_can_do"); + pragma Inline (fl_gl_window_can_do); + + function fl_gl_window_can_do_overlay + (S : in Storage.Integer_Address) + return Interfaces.C.int; + pragma Import (C, fl_gl_window_can_do_overlay, "fl_gl_window_can_do_overlay"); + pragma Inline (fl_gl_window_can_do_overlay); + + + + + function fl_gl_window_get_context + (S : in Storage.Integer_Address) + return Storage.Integer_Address; + pragma Import (C, fl_gl_window_get_context, "fl_gl_window_get_context"); + pragma Inline (fl_gl_window_get_context); + + procedure fl_gl_window_set_context + (S, P : in Storage.Integer_Address; + D : in Interfaces.C.int); + pragma Import (C, fl_gl_window_set_context, "fl_gl_window_set_context"); + pragma Inline (fl_gl_window_set_context); + + function fl_gl_window_context_valid + (S : in Storage.Integer_Address) + return Interfaces.C.signed_char; + pragma Import (C, fl_gl_window_context_valid, "fl_gl_window_context_valid"); + pragma Inline (fl_gl_window_context_valid); + + procedure fl_gl_window_set_context_valid + (S : in Storage.Integer_Address; + V : in Interfaces.C.signed_char); + pragma Import (C, fl_gl_window_set_context_valid, "fl_gl_window_set_context_valid"); + pragma Inline (fl_gl_window_set_context_valid); + + function fl_gl_window_valid + (S : in Storage.Integer_Address) + return Interfaces.C.signed_char; + pragma Import (C, fl_gl_window_valid, "fl_gl_window_valid"); + pragma Inline (fl_gl_window_valid); + + procedure fl_gl_window_set_valid + (S : in Storage.Integer_Address; + V : in Interfaces.C.signed_char); + pragma Import (C, fl_gl_window_set_valid, "fl_gl_window_set_valid"); + pragma Inline (fl_gl_window_set_valid); + + procedure fl_gl_window_invalidate + (S : in Storage.Integer_Address); + pragma Import (C, fl_gl_window_invalidate, "fl_gl_window_invalidate"); + pragma Inline (fl_gl_window_invalidate); + + procedure fl_gl_window_make_current + (S : in Storage.Integer_Address); + pragma Import (C, fl_gl_window_make_current, "fl_gl_window_make_current"); + pragma Inline (fl_gl_window_make_current); + + procedure fl_gl_window_make_overlay_current + (S : in Storage.Integer_Address); + pragma Import (C, fl_gl_window_make_overlay_current, "fl_gl_window_make_overlay_current"); + pragma Inline (fl_gl_window_make_overlay_current); + + + + + procedure fl_gl_window_ortho + (W : in Storage.Integer_Address); + pragma Import (C, fl_gl_window_ortho, "fl_gl_window_ortho"); + pragma Inline (fl_gl_window_ortho); + + procedure fl_gl_window_redraw_overlay + (W : in Storage.Integer_Address); + pragma Import (C, fl_gl_window_redraw_overlay, "fl_gl_window_redraw_overlay"); + pragma Inline (fl_gl_window_redraw_overlay); + + procedure fl_gl_window_swap_buffers + (W : in Storage.Integer_Address); + pragma Import (C, fl_gl_window_swap_buffers, "fl_gl_window_swap_buffers"); + pragma Inline (fl_gl_window_swap_buffers); + + procedure fl_gl_window_draw + (W : in Storage.Integer_Address); + pragma Import (C, fl_gl_window_draw, "fl_gl_window_draw"); + pragma Inline (fl_gl_window_draw); + + function fl_gl_window_handle + (W : in Storage.Integer_Address; + E : in Interfaces.C.int) + return Interfaces.C.int; + pragma Import (C, fl_gl_window_handle, "fl_gl_window_handle"); + pragma Inline (fl_gl_window_handle); + + + + + ------------------- + -- Destructors -- + ------------------- + + procedure Extra_Final + (This : in out GL_Window) is + begin + Extra_Final (Window (This)); + end Extra_Final; + + + procedure Finalize + (This : in out GL_Window) is + begin + Extra_Final (This); + if This.Void_Ptr /= Null_Pointer and This.Needs_Dealloc then + free_fl_gl_window (This.Void_Ptr); + This.Void_Ptr := Null_Pointer; + end if; + end Finalize; + + + + + -------------------- + -- Constructors -- + -------------------- + + procedure Extra_Init + (This : in out GL_Window; + X, Y, W, H : in Integer; + Text : in String) is + begin + Extra_Init (Window (This), X, Y, W, H, Text); + end Extra_Init; + + + procedure Initialize + (This : in out GL_Window) is + begin + This.Draw_Ptr := fl_gl_window_draw'Address; + This.Handle_Ptr := fl_gl_window_handle'Address; + end Initialize; + + + package body Forge is + + function Create + (X, Y, W, H : in Integer; + Text : in String := "") + return GL_Window is + begin + return This : GL_Window do + This.Void_Ptr := new_fl_gl_window + (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 Group'Class; + X, Y, W, H : in Integer; + Text : in String := "") + return GL_Window is + begin + return This : GL_Window := Create (X, Y, W, H, Text) do + Parent.Add (This); + end return; + end Create; + + + function Create + (W, H : in Integer; + Text : in String := "") + return GL_Window is + begin + return This : GL_Window do + This.Void_Ptr := new_fl_gl_window2 + (Interfaces.C.int (W), + Interfaces.C.int (H), + Interfaces.C.To_C (Text)); + Extra_Init (This, This.Get_X, This.Get_Y, W, H, Text); + end return; + end Create; + + + function Create + (Parent : in out Group'Class; + W, H : in Integer; + Text : in String := "") + return GL_Window is + begin + return This : GL_Window := Create (W, H, Text) do + Parent.Add (This); + end return; + end Create; + + end Forge; + + + + + --------------- + -- Display -- + --------------- + + procedure Show + (This : in out GL_Window) is + begin + fl_gl_window_show (This.Void_Ptr); + end Show; + + + procedure Show_With_Args + (This : in out GL_Window) is + begin + FLTK.Show_Argv.Dispatch (fl_gl_window_show2'Access, This.Void_Ptr); + end Show_With_Args; + + + procedure Hide + (This : in out GL_Window) is + begin + fl_gl_window_hide (This.Void_Ptr); + end Hide; + + + procedure Hide_Overlay + (This : in out GL_Window) is + begin + fl_gl_window_hide_overlay (This.Void_Ptr); + end Hide_Overlay; + + + procedure Flush + (This : in out GL_Window) is + begin + fl_gl_window_flush (This.Void_Ptr); + end Flush; + + + + + ------------------ + -- Dimensions -- + ------------------ + + function Pixel_H + (This : in GL_Window) + return Integer is + begin + return Integer (fl_gl_window_pixel_h (This.Void_Ptr)); + end Pixel_H; + + + function Pixel_W + (This : in GL_Window) + return Integer is + begin + return Integer (fl_gl_window_pixel_w (This.Void_Ptr)); + end Pixel_W; + + + function Pixels_Per_Unit + (This : in GL_Window) + return Float is + begin + return Float (fl_gl_window_pixels_per_unit (This.Void_Ptr)); + end Pixels_Per_Unit; + + + procedure Resize + (This : in out GL_Window; + X, Y, W, H : in Integer) is + begin + fl_gl_window_resize + (This.Void_Ptr, + Interfaces.C.int (X), + Interfaces.C.int (Y), + Interfaces.C.int (W), + Interfaces.C.int (H)); + end Resize; + + + + + -------------------- + -- OpenGL Modes -- + -------------------- + + function Get_Mode + (This : in GL_Window) + return Mode_Mask is + begin + return fl_gl_window_get_mode (This.Void_Ptr); + end Get_Mode; + + + procedure Set_Mode + (This : in out GL_Window; + Mask : in Mode_Mask) is + begin + fl_gl_window_set_mode (This.Void_Ptr, Mask); + end Set_Mode; + + + function Can_Do + (Mask : in Mode_Mask) + return Boolean is + begin + return fl_gl_window_static_can_do (Mask) /= 0; + end Can_Do; + + + function Can_Do + (This : in GL_Window) + return Boolean is + begin + return fl_gl_window_can_do (This.Void_Ptr) /= 0; + end Can_Do; + + + function Can_Do_Overlay + (This : in GL_Window) + return Boolean is + begin + return fl_gl_window_can_do_overlay (This.Void_Ptr) /= 0; + end Can_Do_Overlay; + + + + + ----------------------- + -- OpenGL Contexts -- + ----------------------- + + function Get_Context + (This : in GL_Window) + return System.Address is + begin + return Storage.To_Address (fl_gl_window_get_context (This.Void_Ptr)); + end Get_Context; + + + procedure Set_Context + (This : in out GL_Window; + Struct : in System.Address; + Destroy : in Boolean := False) is + begin + fl_gl_window_set_context + (This.Void_Ptr, Storage.To_Integer (Struct), Boolean'Pos (Destroy)); + end Set_Context; + + + function Get_Context_Valid + (This : in GL_Window) + return Boolean is + begin + return fl_gl_window_context_valid (This.Void_Ptr) /= 0; + end Get_Context_Valid; + + + procedure Set_Context_Valid + (This : in out GL_Window; + Value : in Boolean) is + begin + fl_gl_window_set_context_valid (This.Void_Ptr, Boolean'Pos (Value)); + end Set_Context_Valid; + + + function Get_Valid + (This : in GL_Window) + return Boolean is + begin + return fl_gl_window_valid (This.Void_Ptr) /= 0; + end Get_Valid; + + + procedure Set_Valid + (This : in out GL_Window; + Value : in Boolean) is + begin + fl_gl_window_set_valid (This.Void_Ptr, Boolean'Pos (Value)); + end Set_Valid; + + + procedure Invalidate + (This : in out GL_Window) is + begin + fl_gl_window_invalidate (This.Void_Ptr); + end Invalidate; + + + procedure Make_Current + (This : in out GL_Window) is + begin + fl_gl_window_make_current (This.Void_Ptr); + end Make_Current; + + + procedure Make_Overlay_Current + (This : in out GL_Window) is + begin + fl_gl_window_make_overlay_current (This.Void_Ptr); + end Make_Overlay_Current; + + + + + ---------------------------------- + -- Drawing and Event Handling -- + ---------------------------------- + + procedure Ortho + (This : in out GL_Window) is + begin + fl_gl_window_ortho (This.Void_Ptr); + end Ortho; + + + procedure Redraw_Overlay + (This : in out GL_Window) is + begin + fl_gl_window_redraw_overlay (This.Void_Ptr); + end Redraw_Overlay; + + + procedure Swap_Buffers + (This : in out GL_Window) is + begin + fl_gl_window_swap_buffers (This.Void_Ptr); + end Swap_Buffers; + + + procedure Draw + (This : in out GL_Window) is + begin + Window (This).Draw; + end Draw; + + + function Handle + (This : in out GL_Window; + Event : in Event_Kind) + return Event_Outcome is + begin + return Window (This).Handle (Event); + end Handle; + + +end FLTK.Widgets.Groups.Windows.OpenGL; + + |