Mercurial > dwindows

comparison dw.hpp @ 2898:d53fee198085

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
C++: Add KeyPress, ButtonPress, ButtonRelease and MotionNotify signals to Render.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Sat, 24 Dec 2022 00:52:45 +0000
parents fed0c2112985
children 425dc0126818
comparison
equal deleted inserted replaced
2897:fed0c2112985 2898:d53fee198085
514 }; 514 };
515 515
516 class Render : public Drawable, public Widget 516 class Render : public Drawable, public Widget
517 { 517 {
518 private: 518 private:
519 bool ExposeConnected, ConfigureConnected; 519 bool ExposeConnected, ConfigureConnected, KeyPressConnected, ButtonPressConnected, ButtonReleaseConnected, MotionNotifyConnected;
520 #ifdef DW_LAMBDA 520 #ifdef DW_LAMBDA
521 std::function<int(DWExpose *)> _ConnectExpose; 521 std::function<int(DWExpose *)> _ConnectExpose;
522 std::function<int(int, int)> _ConnectConfigure; 522 std::function<int(int, int)> _ConnectConfigure;
523 std::function<int(char c, int, int, char *)> _ConnectKeyPress;
524 std::function<int(int, int, int)> _ConnectButtonPress;
525 std::function<int(int, int, int)> _ConnectButtonRelease;
526 std::function<int(int, int, int)> _ConnectMotionNotify;
523 #else 527 #else
524 int (*_ConnectExpose)(DWExpose *); 528 int (*_ConnectExpose)(DWExpose *);
525 int (*_ConnectConfigure)(int width, int height); 529 int (*_ConnectConfigure)(int width, int height);
530 int (*_ConnectKeyPress)(char c, int vk, int state, char *utf8);
531 int (*_ConnectButtonPress)(int x, int y, int buttonmask);
532 int (*_ConnectButtonRelease)(int x, int y, int buttonmask);
533 int (*_ConnectMotionNotify)(int x, int y, int buttonmask);
526 #endif 534 #endif
527 void Setup() { 535 void Setup() {
528 if(IsOverridden(Render::OnExpose, this)) { 536 if(IsOverridden(Render::OnExpose, this)) {
529 dw_signal_connect(hwnd, DW_SIGNAL_EXPOSE, DW_SIGNAL_FUNC(_OnExpose), this); 537 dw_signal_connect(hwnd, DW_SIGNAL_EXPOSE, DW_SIGNAL_FUNC(_OnExpose), this);
530 ExposeConnected = true; 538 ExposeConnected = true;
531 } 539 }
532 if(IsOverridden(Render::OnConfigure, this)) { 540 if(IsOverridden(Render::OnConfigure, this)) {
533 dw_signal_connect(hwnd, DW_SIGNAL_CONFIGURE, DW_SIGNAL_FUNC(_OnConfigure), this); 541 dw_signal_connect(hwnd, DW_SIGNAL_CONFIGURE, DW_SIGNAL_FUNC(_OnConfigure), this);
534 ConfigureConnected = true; 542 ConfigureConnected = true;
543 }
544 if(IsOverridden(Render::OnKeyPress, this)) {
545 dw_signal_connect(hwnd, DW_SIGNAL_KEY_PRESS, DW_SIGNAL_FUNC(_OnKeyPress), this);
546 KeyPressConnected = true;
547 }
548 if(IsOverridden(Render::OnButtonPress, this)) {
549 dw_signal_connect(hwnd, DW_SIGNAL_BUTTON_PRESS, DW_SIGNAL_FUNC(_OnButtonPress), this);
550 ButtonPressConnected = true;
551 }
552 if(IsOverridden(Render::OnButtonRelease, this)) {
553 dw_signal_connect(hwnd, DW_SIGNAL_BUTTON_RELEASE, DW_SIGNAL_FUNC(_OnButtonRelease), this);
554 ButtonReleaseConnected = true;
555 }
556 if(IsOverridden(Render::OnMotionNotify, this)) {
557 dw_signal_connect(hwnd, DW_SIGNAL_MOTION_NOTIFY, DW_SIGNAL_FUNC(_OnMotionNotify), this);
558 MotionNotifyConnected = true;
535 } 559 }
536 } 560 }
537 static int _OnExpose(HWND window, DWExpose *exp, void *data) { 561 static int _OnExpose(HWND window, DWExpose *exp, void *data) {
538 if(reinterpret_cast<Render *>(data)->_ConnectExpose) 562 if(reinterpret_cast<Render *>(data)->_ConnectExpose)
539 return reinterpret_cast<Render *>(data)->_ConnectExpose(exp); 563 return reinterpret_cast<Render *>(data)->_ConnectExpose(exp);
540 return reinterpret_cast<Render *>(data)->OnExpose(exp); } 564 return reinterpret_cast<Render *>(data)->OnExpose(exp); }
541 static int _OnConfigure(HWND window, int width, int height, void *data) { 565 static int _OnConfigure(HWND window, int width, int height, void *data) {
542 if(reinterpret_cast<Render *>(data)->_ConnectConfigure) 566 if(reinterpret_cast<Render *>(data)->_ConnectConfigure)
543 return reinterpret_cast<Render *>(data)->_ConnectConfigure(width, height); 567 return reinterpret_cast<Render *>(data)->_ConnectConfigure(width, height);
544 return reinterpret_cast<Render *>(data)->OnConfigure(width, height); } 568 return reinterpret_cast<Render *>(data)->OnConfigure(width, height); }
569 static int _OnKeyPress(HWND window, char c, int vk, int state, void *data, char *utf8) {
570 if(reinterpret_cast<Render *>(data)->_ConnectKeyPress)
571 return reinterpret_cast<Render *>(data)->_ConnectKeyPress(c, vk, state, utf8);
572 return reinterpret_cast<Render *>(data)->OnKeyPress(c, vk, state, utf8); }
573 static int _OnButtonPress(HWND window, int x, int y, int buttonmask, void *data) {
574 if(reinterpret_cast<Render *>(data)->_ConnectButtonPress)
575 return reinterpret_cast<Render *>(data)->_ConnectButtonPress(x, y, buttonmask);
576 return reinterpret_cast<Render *>(data)->OnButtonPress(x, y, buttonmask); }
577 static int _OnButtonRelease(HWND window, int x, int y, int buttonmask, void *data) {
578 if(reinterpret_cast<Render *>(data)->_ConnectButtonRelease)
579 return reinterpret_cast<Render *>(data)->_ConnectButtonRelease(x, y, buttonmask);
580 return reinterpret_cast<Render *>(data)->OnButtonRelease(x, y, buttonmask); }
581 static int _OnMotionNotify(HWND window, int x, int y, int buttonmask, void *data) {
582 if(reinterpret_cast<Render *>(data)->_ConnectMotionNotify)
583 return reinterpret_cast<Render *>(data)->_ConnectMotionNotify(x, y, buttonmask);
584 return reinterpret_cast<Render *>(data)->OnMotionNotify(x, y, buttonmask); }
545 public: 585 public:
546 // Constructors 586 // Constructors
547 Render(unsigned long id) { SetHWND(dw_render_new(id)); Setup(); } 587 Render(unsigned long id) { SetHWND(dw_render_new(id)); Setup(); }
548 Render() { SetHWND(dw_render_new(0)); Setup(); } 588 Render() { SetHWND(dw_render_new(0)); Setup(); }
549 589
587 _ConnectConfigure = userfunc; 627 _ConnectConfigure = userfunc;
588 if(!ConfigureConnected) { 628 if(!ConfigureConnected) {
589 dw_signal_connect(hwnd, DW_SIGNAL_CONFIGURE, DW_SIGNAL_FUNC(_OnConfigure), this); 629 dw_signal_connect(hwnd, DW_SIGNAL_CONFIGURE, DW_SIGNAL_FUNC(_OnConfigure), this);
590 ConfigureConnected = true; 630 ConfigureConnected = true;
591 } 631 }
592 } 632 }
633 #ifdef DW_LAMBDA
634 void ConnectKeyPress(std::function<int(char, int, int, char *)> userfunc)
635 #else
636 void ConnectKeyPress(int (*userfunc)(char, int, int, char *))
637 #endif
638 {
639 _ConnectKeyPress = userfunc;
640 if(!KeyPressConnected) {
641 dw_signal_connect(hwnd, DW_SIGNAL_KEY_PRESS, DW_SIGNAL_FUNC(_OnKeyPress), this);
642 KeyPressConnected = true;
643 }
644 }
645 #ifdef DW_LAMBDA
646 void ConnectButtonPress(std::function<int(int, int, int)> userfunc)
647 #else
648 void ConnectButtonPress(int (*userfunc)(int, int, int))
649 #endif
650 {
651 _ConnectButtonPress = userfunc;
652 if(!KeyPressConnected) {
653 dw_signal_connect(hwnd, DW_SIGNAL_BUTTON_PRESS, DW_SIGNAL_FUNC(_OnButtonPress), this);
654 ButtonPressConnected = true;
655 }
656 }
657 #ifdef DW_LAMBDA
658 void ConnectButtonRelease(std::function<int(int, int, int)> userfunc)
659 #else
660 void ConnectButtonRelease(int (*userfunc)(int, int, int))
661 #endif
662 {
663 _ConnectButtonRelease = userfunc;
664 if(!KeyPressConnected) {
665 dw_signal_connect(hwnd, DW_SIGNAL_BUTTON_RELEASE, DW_SIGNAL_FUNC(_OnButtonRelease), this);
666 ButtonReleaseConnected = true;
667 }
668 }
669 #ifdef DW_LAMBDA
670 void ConnectMotionNotify(std::function<int(int, int, int)> userfunc)
671 #else
672 void ConnectMotionNotify(int (*userfunc)(int, int, int))
673 #endif
674 {
675 _ConnectMotionNotify = userfunc;
676 if(!MotionNotifyConnected) {
677 dw_signal_connect(hwnd, DW_SIGNAL_MOTION_NOTIFY, DW_SIGNAL_FUNC(_OnMotionNotify), this);
678 MotionNotifyConnected = true;
679 }
680 }
593 protected: 681 protected:
594 // Our signal handler functions to be overriden... 682 // Our signal handler functions to be overriden...
595 // If they are not overridden and an event is generated, remove the unused handler 683 // If they are not overridden and an event is generated, remove the unused handler
596 virtual int OnExpose(DWExpose *exp) { 684 virtual int OnExpose(DWExpose *exp) {
597 dw_signal_disconnect_by_name(hwnd, DW_SIGNAL_EXPOSE); 685 dw_signal_disconnect_by_name(hwnd, DW_SIGNAL_EXPOSE);
599 return FALSE; 687 return FALSE;
600 } 688 }
601 virtual int OnConfigure(int width, int height) { 689 virtual int OnConfigure(int width, int height) {
602 dw_signal_disconnect_by_name(hwnd, DW_SIGNAL_CONFIGURE); 690 dw_signal_disconnect_by_name(hwnd, DW_SIGNAL_CONFIGURE);
603 ConfigureConnected = false; 691 ConfigureConnected = false;
692 return FALSE;
693 };
694 virtual int OnKeyPress(char c, int vk, int state, char *utf8) {
695 dw_signal_disconnect_by_name(hwnd, DW_SIGNAL_KEY_PRESS);
696 KeyPressConnected = false;
697 return FALSE;
698 };
699 virtual int OnButtonPress(char x, int y, int buttonmask) {
700 dw_signal_disconnect_by_name(hwnd, DW_SIGNAL_BUTTON_PRESS);
701 ButtonPressConnected = false;
702 return FALSE;
703 };
704 virtual int OnButtonRelease(char x, int y, int buttonmask) {
705 dw_signal_disconnect_by_name(hwnd, DW_SIGNAL_BUTTON_RELEASE);
706 ButtonReleaseConnected = false;
707 return FALSE;
708 };
709 virtual int OnMotionNotify(char x, int y, int buttonmask) {
710 dw_signal_disconnect_by_name(hwnd, DW_SIGNAL_MOTION_NOTIFY);
711 MotionNotifyConnected = false;
604 return FALSE; 712 return FALSE;
605 }; 713 };
606 }; 714 };
607 715
608 class Pixmap : public Drawable, public Handle 716 class Pixmap : public Drawable, public Handle