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Diffstat (limited to 'src/fltk-widgets-groups-windows-opengl.adb')
| -rw-r--r-- | src/fltk-widgets-groups-windows-opengl.adb | 538 |
1 files changed, 538 insertions, 0 deletions
diff --git a/src/fltk-widgets-groups-windows-opengl.adb b/src/fltk-widgets-groups-windows-opengl.adb new file mode 100644 index 0000000..2d0ff45 --- /dev/null +++ b/src/fltk-widgets-groups-windows-opengl.adb @@ -0,0 +1,538 @@ + + +with + + Interfaces.C, + System; + +use type + + Interfaces.C.int, + Interfaces.C.signed_char, + Interfaces.C.unsigned, + System.Address; + + +package body FLTK.Widgets.Groups.Windows.OpenGL is + + + procedure gl_window_set_draw_hook + (W, D : in System.Address); + pragma Import (C, gl_window_set_draw_hook, "gl_window_set_draw_hook"); + pragma Inline (gl_window_set_draw_hook); + + procedure gl_window_set_handle_hook + (W, H : in System.Address); + pragma Import (C, gl_window_set_handle_hook, "gl_window_set_handle_hook"); + pragma Inline (gl_window_set_handle_hook); + + + + + function new_fl_gl_window + (X, Y, W, H : in Interfaces.C.int; + Text : in Interfaces.C.char_array) + return System.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 System.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 System.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 System.Address); + pragma Import (C, fl_gl_window_show, "fl_gl_window_show"); + pragma Inline (fl_gl_window_show); + + procedure fl_gl_window_hide + (S : in System.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 System.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 System.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 System.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 System.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 System.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); + + + + + function fl_gl_window_get_mode + (S : in System.Address) + return Interfaces.C.int; + 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 System.Address; + M : in Interfaces.C.int); + 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 Interfaces.C.int) + 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 System.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 System.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 System.Address) + return System.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 System.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 System.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 System.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 System.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 System.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_make_current + (S : in System.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 System.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 System.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 System.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 System.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 System.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 System.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); + + + + + procedure Finalize + (This : in out GL_Window) is + begin + if This.Void_Ptr /= System.Null_Address and then + This in GL_Window'Class + then + This.Clear; + free_fl_gl_window (This.Void_Ptr); + This.Void_Ptr := System.Null_Address; + end if; + Finalize (Window (This)); + end Finalize; + + + + + -------------------- + -- Constructors -- + -------------------- + + 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)); + fl_group_end (This.Void_Ptr); + fl_widget_set_user_data + (This.Void_Ptr, + Widget_Convert.To_Address (This'Unchecked_Access)); + gl_window_set_draw_hook (This.Void_Ptr, Draw_Hook'Address); + gl_window_set_handle_hook (This.Void_Ptr, Handle_Hook'Address); + fl_widget_set_label (This.Void_Ptr, Interfaces.C.To_C (Text)); + 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)); + fl_group_end (This.Void_Ptr); + fl_widget_set_user_data + (This.Void_Ptr, + Widget_Convert.To_Address (This'Unchecked_Access)); + gl_window_set_draw_hook (This.Void_Ptr, Draw_Hook'Address); + gl_window_set_handle_hook (This.Void_Ptr, Handle_Hook'Address); + fl_widget_set_label (This.Void_Ptr, Interfaces.C.To_C (Text)); + 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 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; + + + + + -------------------- + -- OpenGL Modes -- + -------------------- + + function Get_Mode + (This : in GL_Window) + return Mode_Mask + is + Raw : Interfaces.C.unsigned := Interfaces.C.unsigned + (fl_gl_window_get_mode (This.Void_Ptr)); + begin + return + (Index => (Raw and 1) /= 0, + Double => (Raw and 2) /= 0, + Accum => (Raw and 4) /= 0, + Alpha => (Raw and 8) /= 0, + Depth => (Raw and 16) /= 0, + Stencil => (Raw and 32) /= 0, + RGB8 => (Raw and 64) /= 0, + Multisample => (Raw and 128) /= 0, + Stereo => (Raw and 256) /= 0, + Fake_Single => (Raw and 512) /= 0, + OpenGL3 => (Raw and 1024) /= 0); + 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, + Boolean'Pos (Mask.Index) * 1 + + Boolean'Pos (Mask.Double) * 2 + + Boolean'Pos (Mask.Accum) * 4 + + Boolean'Pos (Mask.Alpha) * 8 + + Boolean'Pos (Mask.Depth) * 16 + + Boolean'Pos (Mask.Stencil) * 32 + + Boolean'Pos (Mask.RGB8) * 64 + + Boolean'Pos (Mask.Multisample) * 128 + + Boolean'Pos (Mask.Stereo) * 256 + + Boolean'Pos (Mask.Fake_Single) * 512 + + Boolean'Pos (Mask.OpenGL3) * 1024); + end Set_Mode; + + + function Can_Do + (Mask : in Mode_Mask) + return Boolean is + begin + return fl_gl_window_static_can_do + (Boolean'Pos (Mask.Index) * 1 + + Boolean'Pos (Mask.Double) * 2 + + Boolean'Pos (Mask.Accum) * 4 + + Boolean'Pos (Mask.Alpha) * 8 + + Boolean'Pos (Mask.Depth) * 16 + + Boolean'Pos (Mask.Stencil) * 32 + + Boolean'Pos (Mask.RGB8) * 64 + + Boolean'Pos (Mask.Multisample) * 128 + + Boolean'Pos (Mask.Stereo) * 256 + + Boolean'Pos (Mask.Fake_Single) * 512 + + Boolean'Pos (Mask.OpenGL3) * 1024) /= 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 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, 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 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 + fl_gl_window_draw (This.Void_Ptr); + end Draw; + + + function Handle + (This : in out GL_Window; + Event : in Event_Kind) + return Event_Outcome is + begin + return Event_Outcome'Val + (fl_gl_window_handle (This.Void_Ptr, Event_Kind'Pos (Event))); + end Handle; + + +end FLTK.Widgets.Groups.Windows.OpenGL; + |