X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=c%2B%2B%2Fdemo.cc;h=6996097b0f9715aa375a99b2f9e55aadbc32da60;hp=29b60fd74f1469b3e52b068f88435070872680d5;hb=a5fe3726f7d4374e9b1551b535c8617b423996f2;hpb=3a9b6a3bf0269231bef7de74757a910dedd04e0c diff --git a/c++/demo.cc b/c++/demo.cc index 29b60fd7..6996097b 100644 --- a/c++/demo.cc +++ b/c++/demo.cc @@ -1,146 +1,193 @@ +// * This makes emacs happy -*-Mode: C++;-*- +/**************************************************************************** + * Copyright 2018-2019,2020 Thomas E. Dickey * + * Copyright 1998-2012,2017 Free Software Foundation, Inc. * + * * + * Permission is hereby granted, free of charge, to any person obtaining a * + * copy of this software and associated documentation files (the * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + /* * Silly demo program for the NCursesPanel class. * * written by Anatoly Ivasyuk (anatoly@nick.csh.rit.edu) * - * $Id: demo.cc,v 1.7 1997/05/05 20:53:41 tom Exp $ + * Demo code for NCursesMenu and NCursesForm written by + * Juergen Pfeifer + * + * $Id: demo.cc,v 1.49 2020/09/13 00:47:00 tom Exp $ */ -#include - +#include "internal.h" +#include "cursesapp.h" #include "cursesm.h" +#include "cursesf.h" -#if HAVE_LIBC_H -# include +#if (defined(_WIN32) || defined(_WIN64)) +#undef KEY_EVENT +#define sleep(n) Sleep(n) +#else +extern "C" unsigned int sleep(unsigned int); #endif -class SillyDemo +#undef index // needed for NeXT + +// +// ------------------------------------------------------------------------- +// +class SillyDemo { public: void run(int sleeptime) { - // We need to define a full screen panel for the main screen so - // that when redraws happen, the main screen actually gets redrawn. - // I think there may be a bug in the panels code which won't redraw - // the main screen otherwise. Maybe someone out there can find it... - NCursesPanel *std = new NCursesPanel(); + NCursesPanel *mystd = new NCursesPanel(); // Make a few small demo panels - NCursesPanel *u = new NCursesPanel(10,20,12,4); - NCursesPanel *v = new NCursesPanel(10,20,10,6); - NCursesPanel *w = new NCursesPanel(10,20,8,8); - NCursesPanel *x = new NCursesPanel(10,20,6,10); - NCursesPanel *y = new NCursesPanel(10,20,4,12); - NCursesPanel *z = new NCursesPanel(10,30,2,14); + NCursesPanel *u = new NCursesPanel(8, 20, 12, 4); + NCursesPanel *v = new NCursesPanel(8, 20, 10, 6); + NCursesPanel *w = new NCursesPanel(8, 20, 8, 8); + NCursesPanel *x = new NCursesPanel(8, 20, 6, 10); + NCursesPanel *y = new NCursesPanel(8, 20, 4, 12); + NCursesPanel *z = new NCursesPanel(8, 30, 2, 14); // Draw something on the main screen, so we can see what happens // when panels get moved or deleted. - std->box(); - std->move(10,0); - std->hline('a',79); - std->move(0,40); - std->vline(20); + mystd->box(); + mystd->move(mystd->height()/2, 1); + mystd->hline(mystd->width()-2); + mystd->move(1, mystd->width()/2); + mystd->vline(mystd->height()-2); + mystd->addch(0, mystd->width()/2, ACS_TTEE); + mystd->addch(mystd->height()-1, mystd->width()/2, ACS_BTEE); + mystd->addch(mystd->height()/2, 0, ACS_LTEE); + mystd->addch(mystd->height()/2, mystd->width()-1, ACS_RTEE); + mystd->addch(mystd->height()/2, mystd->width()/2, ACS_PLUS); // Draw frames with titles around panels so that we can see where // the panels are located. - u->boldframe("Win U"); v->frame("Win V"); w->boldframe("Win W"); x->frame("Win X"); y->boldframe("Win Y"); z->frame("Win Z"); + if (NCursesApplication::getApplication()->useColors()) { + u->bkgd(' '|COLOR_PAIR(1)); + w->bkgd(' '|COLOR_PAIR(1)); + y->bkgd(' '|COLOR_PAIR(1)); + v->bkgd(' '|COLOR_PAIR(2)); + x->bkgd(' '|COLOR_PAIR(2)); + z->bkgd(' '|COLOR_PAIR(2)); + } // A refresh to any valid panel updates all panels and refreshes - // the screen. Using std is just convenient - We know it's always + // the screen. Using mystd is just convenient - We know it's always // valid until the end of the program. - std->refresh(); - - // Show that things actually come back correctly when the screen - // is cleared and the global NCursesPanel::redraw() is called. - - sleep(sleeptime); - ::clear(); // call ncurses clear() directly - ::wrefresh(stdscr); // call ncurses refresh directly + mystd->refresh(); sleep(sleeptime); - NCursesPanel::redraw(); // Show what happens when panels are deleted and moved. sleep(sleeptime); delete u; - std->refresh(); + mystd->refresh(); sleep(sleeptime); delete z; - std->refresh(); + mystd->refresh(); sleep(sleeptime); delete v; - std->refresh(); + mystd->refresh(); // show how it looks when a panel moves sleep(sleeptime); - y->mvpan(5,30); - std->refresh(); + y->mvwin(5, 30); + mystd->refresh(); sleep(sleeptime); delete y; - std->refresh(); + mystd->refresh(); // show how it looks when you raise a panel sleep(sleeptime); w->top(); - std->refresh(); + mystd->refresh(); sleep(sleeptime); delete w; - std->refresh(); + mystd->refresh(); sleep(sleeptime); delete x; - std->refresh(); + + mystd->clear(); + mystd->refresh(); // Don't forget to clean up the main screen. Since this is the // last thing using NCursesWindow, this has the effect of // shutting down ncurses and restoring the terminal state. sleep(sleeptime); - delete std; + delete mystd; } }; - class UserData { private: int u; public: - UserData(int x) : u(x) {} + UserData(int x) : u(x) {} int sleeptime() const { return u; } - }; - +// +// ------------------------------------------------------------------------- +// template class MyAction : public NCursesUserItem { public: - MyAction (const T* p_UserData, - const char* p_name) - : NCursesUserItem(p_UserData, p_name) - {}; + MyAction (const char* p_name, + const T* p_UserData) + : NCursesUserItem(p_name, static_cast(0), p_UserData) + {} - ~MyAction() {} + virtual ~MyAction() THROWS(NCursesException) {} bool action() { SillyDemo a; - a.run(UserData()->sleeptime()); + a.run(NCursesUserItem::UserData()->sleeptime()); return FALSE; } }; +template class MyAction; +template class NCURSES_CXX_IMPEXP NCursesUserItem; + class QuitItem : public NCursesMenuItem { public: @@ -148,93 +195,381 @@ public: } bool action() { - endwin(); return TRUE; } }; +// +// ------------------------------------------------------------------------- +// +class Label : public NCursesFormField +{ +public: + Label(const char* title, + int row, int col) + : NCursesFormField(1, static_cast(::strlen(title)), row, col) { + set_value(title); + options_off(O_EDIT|O_ACTIVE); + } +}; +// +// ------------------------------------------------------------------------- +// +class MyFieldType : public UserDefinedFieldType +{ +private: + int chk; +protected: + bool field_check(NCursesFormField& f) { + (void) f; + return TRUE; + } + bool char_check(int c) { + return (c==chk?TRUE:FALSE); + } +public: + MyFieldType(int x) : chk(x) { + } +}; +// +// ------------------------------------------------------------------------- +// +class TestForm : public NCursesForm +{ +private: + NCursesFormField** F; + MyFieldType* mft; + Integer_Field *ift; + Enumeration_Field *eft; + static const char *weekdays[]; + +public: + TestForm() + : NCursesForm(13, 51, (lines() - 15)/2, (cols() - 53)/2), + F(0), + mft(0), + ift(0), + eft(0) + { + + F = new NCursesFormField*[10]; + mft = new MyFieldType('X'); + ift = new Integer_Field(0, 1, 10); + eft = new Enumeration_Field(weekdays); + + F[0] = new Label("Demo Entry Form", 0, 16); + F[1] = new Label("Weekday Enum", 2, 1); + F[2] = new Label("Number(1-10)", 2, 21); + F[3] = new Label("Only 'X'", 2, 35); + F[4] = new Label("Multiline Field (Dynamic and Scrollable)", 5, 1); + F[5] = new NCursesFormField(1, 18, 3, 1); + F[6] = new NCursesFormField(1, 12, 3, 21); + F[7] = new NCursesFormField(1, 12, 3, 35); + F[8] = new NCursesFormField(4, 46, 6, 1, 2); + F[9] = new NCursesFormField(); + + InitForm(F, TRUE, TRUE); + boldframe(); + + F[5]->set_fieldtype(*eft); + F[6]->set_fieldtype(*ift); + + F[7]->set_fieldtype(*mft); + F[7]->set_maximum_growth(20); // max. 20 characters + F[7]->options_off(O_STATIC); // make field dynamic + + F[8]->set_maximum_growth(10); // max. 10 lines + F[8]->options_off(O_STATIC); // make field dynamic + } + + TestForm& operator=(const TestForm& rhs) + { + if (this != &rhs) { + *this = rhs; + } + return *this; + } + + TestForm(const TestForm& rhs) + : NCursesForm(rhs), F(0), mft(0), ift(0), eft(0) + { + } + + ~TestForm() THROWS(NCursesException) { + delete mft; + delete ift; + delete eft; + } +}; + +const char* TestForm::weekdays[] = { + "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", + "Friday", "Saturday", NULL }; +// +// ------------------------------------------------------------------------- +// +class FormAction : public NCursesMenuItem +{ +public: + FormAction(const char *s) : NCursesMenuItem(s) { + } + + bool action() { + TestForm F; + Soft_Label_Key_Set* S = new Soft_Label_Key_Set; + for(int i=1; i <= S->labels(); i++) { + char buf[8]; + assert(i < 100); + ::_nc_SPRINTF(buf, _nc_SLIMIT(sizeof(buf)) "Frm%02d", i % 100); + (*S)[i] = buf; // Text + (*S)[i] = Soft_Label_Key_Set::Soft_Label_Key::Left; // Justification + } + NCursesApplication::getApplication()->push(*S); + F(); + NCursesApplication::getApplication()->pop(); + delete S; + return FALSE; + } +}; +// +// ------------------------------------------------------------------------- +// +class PadAction : public NCursesMenuItem +{ +public: + PadAction(const char* s) : NCursesMenuItem(s) { + } + + bool action() { + const int GRIDSIZE = 3; + const int PADSIZE = 200; + unsigned gridcount = 0; + + NCursesPanel mystd; + NCursesPanel P(mystd.lines()-2, mystd.cols()-2, 1, 1); + NCursesFramedPad FP(P, PADSIZE, PADSIZE); + + for (int i=0; i < PADSIZE; i++) { + for (int j=0; j < PADSIZE; j++) { + if (i % GRIDSIZE == 0 && j % GRIDSIZE == 0) { + if (i==0 || j==0) + FP.addch('+'); + else + FP.addch(static_cast('A' + (gridcount++ % 26))); + } + else if (i % GRIDSIZE == 0) + FP.addch('-'); + else if (j % GRIDSIZE == 0) + FP.addch('|'); + else + FP.addch(' '); + } + } + + P.label("Pad Demo", NULL); + FP(); + P.clear(); + return FALSE; + } +}; + +// +// ------------------------------------------------------------------------- +// +class PassiveItem : public NCursesMenuItem +{ +public: + PassiveItem(const char* text) : NCursesMenuItem(text) { + options_off(O_SELECTABLE); + } +}; + +// +// ------------------------------------------------------------------------- +// +class ScanAction : public NCursesMenuItem +{ +public: + ScanAction(const char* s) : NCursesMenuItem(s) { + } + + bool action() { + NCursesPanel *mystd = new NCursesPanel(); + + NCursesPanel *w = new NCursesPanel(mystd->lines() - 2, mystd->cols() - 2, 1, 1); + w->box(); + w->refresh(); + + NCursesPanel *s = new NCursesPanel(w->lines() - 6, w->cols() - 6, 3, 3); + s->scrollok(TRUE); + ::echo(); + + s->printw("Enter decimal integers. The running total will be shown\n"); + int nvalue = -1; + int result = 0; + while (nvalue != 0) { + nvalue = 0; + s->scanw("%d", &nvalue); + if (nvalue != 0) { + s->printw("%d: ", result += nvalue); + } + s->refresh(); + } + s->printw("\nPress any key to continue..."); + s->getch(); + + delete s; + delete w; + delete mystd; + ::noecho(); + return FALSE; + } +}; + +// +// ------------------------------------------------------------------------- +// class MyMenu : public NCursesMenu { private: NCursesPanel* P; + NCursesMenuItem** I; + UserData *u; + #define n_items 7 public: - MyMenu (NCursesMenuItem* menu[]) - : NCursesMenu (menu, 7, 8, 2, 2, TRUE) + MyMenu () + : NCursesMenu (n_items+2, 8, (lines()-10)/2, (cols()-10)/2), + P(0), I(0), u(0) { - if (NCursesWindow::NumberOfColors() > 2) { - setcolor(1); - setpalette(COLOR_YELLOW, COLOR_BLUE); + u = new UserData(1); + I = new NCursesMenuItem*[1+n_items]; + I[0] = new PassiveItem("One"); + I[1] = new PassiveItem("Two"); + I[2] = new MyAction ("Silly", u); + I[3] = new FormAction("Form"); + I[4] = new PadAction("Pad"); + I[5] = new ScanAction("Scan"); + I[6] = new QuitItem(); + I[7] = new NCursesMenuItem(); // Terminating empty item + + InitMenu(I, TRUE, TRUE); + + P = new NCursesPanel(1, n_items, LINES-1, 1); + boldframe("Demo", "Silly"); + P->show(); + } + + MyMenu& operator=(const MyMenu& rhs) + { + if (this != &rhs) { + *this = rhs; } + return *this; + } - P = new NCursesPanel(1,COLS,LINES-1,0); - boldframe("Demo","Silly"); - P->show(); + MyMenu(const MyMenu& rhs) + : NCursesMenu(rhs), P(0), I(0), u(0) + { } - ~MyMenu() + ~MyMenu() THROWS(NCursesException) { P->hide(); delete P; + delete u; } virtual void On_Menu_Init() { - P->move(0,0); + NCursesWindow W(::stdscr); + P->move(0, 0); P->clrtoeol(); - P->addstr("12345"); - NCursesPanel::refresh(); + for(int i=1; i<=count(); i++) + P->addch('0' + i); + P->bkgd(W.getbkgd()); + refresh(); } virtual void On_Menu_Termination() { - P->move(0,0); + P->move(0, 0); P->clrtoeol(); - P->addstr("Menu Exit"); - NCursesPanel::refresh(); + refresh(); } virtual void On_Item_Init(NCursesMenuItem& item) { - P->move(0,item.index()); + P->move(0, item.index()); P->attron(A_REVERSE); - P->printw("%1d",1+item.index()); + P->printw("%1d", 1+item.index()); P->attroff(A_REVERSE); - NCursesPanel::refresh(); + refresh(); } virtual void On_Item_Termination(NCursesMenuItem& item) { - P->move(0,item.index()); + P->move(0, item.index()); P->attroff(A_REVERSE); - P->printw("%1d",1+item.index()); - NCursesPanel::refresh(); + P->printw("%1d", 1+item.index()); + refresh(); } }; - -main() +// +// ------------------------------------------------------------------------- +// +class TestApplication : public NCursesApplication { - UserData* u = new UserData(1); - - NCursesWindow::useColors(); +protected: + int titlesize() const { return 1; } + void title(); + Soft_Label_Key_Set::Label_Layout useSLKs() const { + return Soft_Label_Key_Set::PC_Style_With_Index; + } + void init_labels(Soft_Label_Key_Set& S) const; - NCursesMenuItem** I = new NCursesMenuItem*[6]; - I[0] = new NCursesMenuItem("One"); - I[1] = new NCursesMenuItem("Two"); - I[2] = new MyAction (u, "Silly"); - I[3] = new NCursesMenuItem("Four"); - I[4] = new QuitItem(); - I[5] = new NCursesMenuItem(); - - MyMenu m(I); +public: + TestApplication() : NCursesApplication(TRUE) { + } - m(); + int run(); +}; - for(int i=0; i < 6; i++) { - delete I[i]; +void TestApplication::init_labels(Soft_Label_Key_Set& S) const +{ + for(int i=1; i <= S.labels(); i++) { + char buf[8]; + assert(i < 100); + ::_nc_SPRINTF(buf, _nc_SLIMIT(sizeof(buf)) "Key%02d", i % 100); + S[i] = buf; // Text + S[i] = Soft_Label_Key_Set::Soft_Label_Key::Left; // Justification } - delete I; - delete u; +} - exit(0); +void TestApplication::title() +{ + const char * const titleText = "Simple C++ Binding Demo"; + const int len = ::strlen(titleText); + + getTitleWindow()->bkgd(screen_titles()); + getTitleWindow()->addstr(0, (getTitleWindow()->cols() - len)/2, titleText); + getTitleWindow()->noutrefresh(); } + + +int TestApplication::run() +{ + MyMenu M; + M(); + return 0; +} + +// +// ------------------------------------------------------------------------- +// +static TestApplication *Demo = new TestApplication(); + +#if (defined(_WIN32) || defined(_WIN64)) +// This is actually only needed when ncurses is a dll +NCURSES_CXX_MAIN +#endif