diff options
-rw-r--r-- | progress.txt | 2 | ||||
-rw-r--r-- | src/c_fl_roller.cpp | 70 | ||||
-rw-r--r-- | src/c_fl_roller.h | 27 | ||||
-rw-r--r-- | src/fltk-widgets-valuators-rollers.adb | 109 | ||||
-rw-r--r-- | src/fltk-widgets-valuators-rollers.ads | 38 |
5 files changed, 245 insertions, 1 deletions
diff --git a/progress.txt b/progress.txt index 598f6b8..e5c91d2 100644 --- a/progress.txt +++ b/progress.txt @@ -52,6 +52,7 @@ FLTK.Widgets.Valuators.Counters.Simple FLTK.Widgets.Valuators.Dials FLTK.Widgets.Valuators.Dials.Fill FLTK.Widgets.Valuators.Dials.Line +FLTK.Widgets.Valuators.Rollers @@ -101,7 +102,6 @@ FL_Tabs FL_Tile FL_Tree FL_Wizard -FL_Roller FL_Slider FL_Fill_Slider FL_Hor_Fill_Slider diff --git a/src/c_fl_roller.cpp b/src/c_fl_roller.cpp new file mode 100644 index 0000000..94ac576 --- /dev/null +++ b/src/c_fl_roller.cpp @@ -0,0 +1,70 @@ + + +#include <FL/Fl_Roller.H> +#include "c_fl_roller.h" +#include "c_fl_type.h" + + + + +class My_Roller : public Fl_Roller { + public: + using Fl_Roller::Fl_Roller; + friend void roller_set_draw_hook(ROLLER r, void * d); + friend void fl_roller_draw(ROLLER r); + friend void roller_set_handle_hook(ROLLER r, void * h); + friend int fl_roller_handle(ROLLER r, int e); + protected: + void draw(); + void real_draw(); + int handle(int e); + int real_handle(int e); + d_hook_p draw_hook; + h_hook_p handle_hook; +}; + +void My_Roller::draw() { + (*draw_hook)(this->user_data()); +} + +void My_Roller::real_draw() { + Fl_Roller::draw(); +} + +int My_Roller::handle(int e) { + return (*handle_hook)(this->user_data(), e); +} + +int My_Roller::real_handle(int e) { + return Fl_Roller::handle(e); +} + +void roller_set_draw_hook(ROLLER r, void * d) { + reinterpret_cast<My_Roller*>(r)->draw_hook = reinterpret_cast<d_hook_p>(d); +} + +void fl_roller_draw(ROLLER r) { + reinterpret_cast<My_Roller*>(r)->real_draw(); +} + +void roller_set_handle_hook(ROLLER r, void * h) { + reinterpret_cast<My_Roller*>(r)->handle_hook = reinterpret_cast<h_hook_p>(h); +} + +int fl_roller_handle(ROLLER r, int e) { + return reinterpret_cast<My_Roller*>(r)->real_handle(e); +} + + + + +ROLLER new_fl_roller(int x, int y, int w, int h, char* label) { + My_Roller *r = new My_Roller(x, y, w, h, label); + return r; +} + +void free_fl_roller(ROLLER r) { + delete reinterpret_cast<My_Roller*>(r); +} + + diff --git a/src/c_fl_roller.h b/src/c_fl_roller.h new file mode 100644 index 0000000..1820eee --- /dev/null +++ b/src/c_fl_roller.h @@ -0,0 +1,27 @@ + + +#ifndef FL_ROLLER_GUARD +#define FL_ROLLER_GUARD + + + + +typedef void* ROLLER; + + + + +extern "C" void roller_set_draw_hook(ROLLER r, void * d); +extern "C" void fl_roller_draw(ROLLER r); +extern "C" void roller_set_handle_hook(ROLLER r, void * h); +extern "C" int fl_roller_handle(ROLLER r, int e); + + + + +extern "C" ROLLER new_fl_roller(int x, int y, int w, int h, char* label); +extern "C" void free_fl_roller(ROLLER r); + + +#endif + diff --git a/src/fltk-widgets-valuators-rollers.adb b/src/fltk-widgets-valuators-rollers.adb new file mode 100644 index 0000000..408a286 --- /dev/null +++ b/src/fltk-widgets-valuators-rollers.adb @@ -0,0 +1,109 @@ + + +with + + Interfaces.C.Strings, + System; + +use type + + System.Address; + + +package body FLTK.Widgets.Valuators.Rollers is + + + procedure roller_set_draw_hook + (W, D : in System.Address); + pragma Import (C, roller_set_draw_hook, "roller_set_draw_hook"); + + procedure roller_set_handle_hook + (W, H : in System.Address); + pragma Import (C, roller_set_handle_hook, "roller_set_handle_hook"); + + + + + function new_fl_roller + (X, Y, W, H : in Interfaces.C.int; + Text : in Interfaces.C.char_array) + return System.Address; + pragma Import (C, new_fl_roller, "new_fl_roller"); + + procedure free_fl_roller + (D : in System.Address); + pragma Import (C, free_fl_roller, "free_fl_roller"); + + + + + procedure fl_roller_draw + (W : in System.Address); + pragma Import (C, fl_roller_draw, "fl_roller_draw"); + + function fl_roller_handle + (W : in System.Address; + E : in Interfaces.C.int) + return Interfaces.C.int; + pragma Import (C, fl_roller_handle, "fl_roller_handle"); + + + + + procedure Finalize + (This : in out Roller) is + begin + if This.Void_Ptr /= System.Null_Address and then + This in Roller'Class + then + free_fl_roller (This.Void_Ptr); + This.Void_Ptr := System.Null_Address; + end if; + Finalize (Valuator (This)); + end Finalize; + + + + + function Create + (X, Y, W, H : in Integer; + Text : in String) + return Roller is + begin + return This : Roller do + This.Void_Ptr := new_fl_roller + (Interfaces.C.int (X), + Interfaces.C.int (Y), + Interfaces.C.int (W), + Interfaces.C.int (H), + Interfaces.C.To_C (Text)); + fl_widget_set_user_data + (This.Void_Ptr, + Widget_Convert.To_Address (This'Unchecked_Access)); + roller_set_draw_hook (This.Void_Ptr, Draw_Hook'Address); + roller_set_handle_hook (This.Void_Ptr, Handle_Hook'Address); + end return; + end Create; + + + + + procedure Draw + (This : in out Roller) is + begin + fl_roller_draw (This.Void_Ptr); + end Draw; + + + function Handle + (This : in out Roller; + Event : in Event_Kind) + return Event_Outcome is + begin + return Event_Outcome'Val + (fl_roller_handle (This.Void_Ptr, Event_Kind'Pos (Event))); + end Handle; + + +end FLTK.Widgets.Valuators.Rollers; + diff --git a/src/fltk-widgets-valuators-rollers.ads b/src/fltk-widgets-valuators-rollers.ads new file mode 100644 index 0000000..22a60b4 --- /dev/null +++ b/src/fltk-widgets-valuators-rollers.ads @@ -0,0 +1,38 @@ + + +package FLTK.Widgets.Valuators.Rollers is + + + type Roller is new Valuator with private; + + + + + function Create + (X, Y, W, H : in Integer; + Text : in String) + return Roller; + + + + + procedure Draw + (This : in out Roller); + + function Handle + (This : in out Roller; + Event : in Event_Kind) + return Event_Outcome; + + +private + + + type Roller is new Valuator with null record; + + overriding procedure Finalize + (This : in out Roller); + + +end FLTK.Widgets.Valuators.Rollers; + |