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comparison dw.hpp @ 2880:2ba0959eb3cf

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C++: Implement Slider, Scrollbar, SpinButton, and MLE.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Tue, 20 Dec 2022 20:23:02 +0000
parents ec7f6e28166d
children 99311a9091af
comparison
equal deleted inserted replaced
2879:ec7f6e28166d 2880:2ba0959eb3cf
510 Listbox(unsigned long id) { SetHWND(dw_listbox_new(id, FALSE)); } 510 Listbox(unsigned long id) { SetHWND(dw_listbox_new(id, FALSE)); }
511 Listbox(int multi) { SetHWND(dw_listbox_new(0, multi)); } 511 Listbox(int multi) { SetHWND(dw_listbox_new(0, multi)); }
512 Listbox() { SetHWND(dw_listbox_new(0, FALSE)); } 512 Listbox() { SetHWND(dw_listbox_new(0, FALSE)); }
513 }; 513 };
514 514
515 // Base class for several ranged type widgets
516 class Ranged : virtual public Widget
517 {
518 private:
519 static int _OnValueChanged(HWND window, int value, void *data) { return reinterpret_cast<Ranged *>(data)->OnValueChanged(value); }
520 protected:
521 void Setup() {
522 if(IsOverridden(Ranged::OnValueChanged, this))
523 dw_signal_connect(hwnd, DW_SIGNAL_VALUE_CHANGED, DW_SIGNAL_FUNC(_OnValueChanged), this);
524 }
525 // Our signal handler functions to be overriden...
526 // If they are not overridden and an event is generated, remove the unused handler
527 virtual int OnValueChanged(int value) { dw_signal_disconnect_by_name(hwnd, DW_SIGNAL_VALUE_CHANGED); return FALSE; }
528 };
529
530 class Slider : public Ranged
531 {
532 public:
533 // Constructors
534 Slider(int orient, int increments, unsigned long id) { SetHWND(dw_slider_new(orient, increments, id)); Setup(); }
535 Slider(int orient, int increments) { SetHWND(dw_slider_new(orient, increments, 0)); Setup(); }
536
537 // User functions
538 unsigned int GetPos() { return dw_slider_get_pos(hwnd); }
539 void SetPos(unsigned int position) { dw_slider_set_pos(hwnd, position); }
540 };
541
542 class Scrollbar : public Ranged
543 {
544 public:
545 // Constructors
546 Scrollbar(int orient, unsigned long id) { SetHWND(dw_scrollbar_new(orient, id)); Setup(); }
547 Scrollbar(int orient) { SetHWND(dw_scrollbar_new(orient, 0)); Setup(); }
548
549 // User functions
550 unsigned int GetPos() { return dw_scrollbar_get_pos(hwnd); }
551 void SetPos(unsigned int position) { dw_scrollbar_set_pos(hwnd, position); }
552 void SetRange(unsigned int range, unsigned int visible) { dw_scrollbar_set_range(hwnd, range, visible); }
553 };
554
555 class SpinButton : public Ranged, public TextEntry
556 {
557 public:
558 // Constructors
559 SpinButton(const char *text, unsigned long id) { SetHWND(dw_spinbutton_new(text, id)); Setup(); }
560 SpinButton(unsigned long id) { SetHWND(dw_spinbutton_new("", id)); Setup(); }
561 SpinButton(const char *text) { SetHWND(dw_spinbutton_new(text, 0)); Setup(); }
562 SpinButton() { SetHWND(dw_spinbutton_new("", 0)); Setup(); }
563
564 // User functions
565 long GetPos() { return dw_spinbutton_get_pos(hwnd); }
566 void SetPos(long position) { dw_spinbutton_set_pos(hwnd, position); }
567 void SetLimits(long upper, long lower) { dw_spinbutton_set_limits(hwnd, upper, lower); }
568 };
569
570 // Multi-line Edit widget
571 class MLE : public Focusable
572 {
573 public:
574 // Constructors
575 MLE(unsigned long id) { SetHWND(dw_mle_new(id)); }
576 MLE() { SetHWND(dw_mle_new(0)); }
577
578 // User functions
579 void Freeze() { dw_mle_freeze(hwnd); }
580 void Thaw() { dw_mle_thaw(hwnd); }
581 void Clear() { dw_mle_clear(hwnd); }
582 void Delete(int startpoint, int length) { dw_mle_delete(hwnd, startpoint, length); }
583 void Export(char *buffer, int startpoint, int length) { dw_mle_export(hwnd, buffer, startpoint, length); }
584 void Import(const char *buffer, int startpoint) { dw_mle_import(hwnd, buffer, startpoint); }
585 void GetSize(unsigned long *bytes, unsigned long *lines) { dw_mle_get_size(hwnd, bytes, lines); }
586 void Search(const char *text, int point, unsigned long flags) { dw_mle_search(hwnd, text, point, flags); }
587 void SetAutoComplete(int state) { dw_mle_set_auto_complete(hwnd, state); }
588 void SetCursor(int point) { dw_mle_set_cursor(hwnd, point); }
589 void SetEditable(int state) { dw_mle_set_editable(hwnd, state); }
590 void SetVisible(int line) { dw_mle_set_visible(hwnd, line); }
591 void SetWordWrap(int state) { dw_mle_set_word_wrap(hwnd, state); }
592 };
593
515 class App 594 class App
516 { 595 {
517 protected: 596 protected:
518 App() { } 597 App() { }
519 static App *_app; 598 static App *_app;