X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=c%2B%2B%2Fdemo.cc;h=f651e18eddc6172bbc0f6415a23dea29156e311c;hp=d0728eff98992985db1ecc4e4d258d8766b7a780;hb=04d942c3d98cf0a929c6afb17be8c10d4ae39af0;hpb=661078ddbde3ce0f3b06e95642fbb9b5fef7dca1 diff --git a/c++/demo.cc b/c++/demo.cc index d0728eff..f651e18e 100644 --- a/c++/demo.cc +++ b/c++/demo.cc @@ -1,56 +1,91 @@ +// * 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) * * Demo code for NCursesMenu and NCursesForm written by - * Juergen Pfeifer + * Juergen Pfeifer * - * $Id: demo.cc,v 1.13 1998/02/19 16:54:54 florian Exp $ + * $Id: demo.cc,v 1.46 2020/05/24 01:40:20 anonymous.maarten Exp $ */ +#include "internal.h" #include "cursesapp.h" #include "cursesm.h" #include "cursesf.h" -#if HAVE_LIBC_H -# include +#ifdef _WIN32 +#undef KEY_EVENT #endif +#ifndef _WIN32 extern "C" unsigned int sleep(unsigned int); +#endif + +#undef index // needed for NeXT // // ------------------------------------------------------------------------- // -class SillyDemo +class SillyDemo { public: void run(int sleeptime) { - NCursesPanel *std = new NCursesPanel(); + NCursesPanel *mystd = new NCursesPanel(); // Make a few small demo panels - 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); + 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(std->height()/2,1); - std->hline(std->width()-2); - std->move(1,std->width()/2); - std->vline(std->height()-2); - std->addch(0,std->width()/2,ACS_TTEE); - std->addch(std->height()-1,std->width()/2,ACS_BTEE); - std->addch(std->height()/2,0,ACS_LTEE); - std->addch(std->height()/2,std->width()-1,ACS_RTEE); - std->addch(std->height()/2,std->width()/2,ACS_PLUS); + 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. @@ -70,56 +105,56 @@ class SillyDemo } // 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(); + mystd->refresh(); sleep(sleeptime); // 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->mvwin(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->clear(); - 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; } }; @@ -128,8 +163,8 @@ class UserData private: int u; public: - UserData(int x) : u(x) {} - int sleeptime() const { return u; } + UserData(int x) : u(x) {} + int sleeptime() const { return u; } }; // // ------------------------------------------------------------------------- @@ -138,19 +173,22 @@ template class MyAction : public NCursesUserItem { public: MyAction (const char* p_name, - const T* p_UserData) - : NCursesUserItem(p_name, (const char*)0, p_UserData) - {}; + 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: @@ -167,9 +205,9 @@ public: class Label : public NCursesFormField { public: - Label(const char*title, - int row, int col) - : NCursesFormField(1,(int)::strlen(title),row,col) { + 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); } @@ -177,11 +215,13 @@ public: // // ------------------------------------------------------------------------- // -class MyFieldType : public UserDefinedFieldType { +class MyFieldType : public UserDefinedFieldType +{ private: int chk; protected: bool field_check(NCursesFormField& f) { + (void) f; return TRUE; } bool char_check(int c) { @@ -202,30 +242,36 @@ private: Integer_Field *ift; Enumeration_Field *eft; - static char *weekdays[]; - + static const char *weekdays[]; + public: - TestForm() : NCursesForm(13,51,(lines()-15)/2,(cols()-53)/2) { - + 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); + 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[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); + + InitForm(F, TRUE, TRUE); boldframe(); - + F[5]->set_fieldtype(*eft); F[6]->set_fieldtype(*ift); @@ -237,16 +283,29 @@ public: F[8]->options_off(O_STATIC); // make field dynamic } - ~TestForm() { + 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; } }; -char* TestForm::weekdays[] = { +const char* TestForm::weekdays[] = { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", - "Friday", "Saturday", (char *)0 }; + "Friday", "Saturday", NULL }; // // ------------------------------------------------------------------------- // @@ -260,26 +319,114 @@ public: TestForm F; Soft_Label_Key_Set* S = new Soft_Label_Key_Set; for(int i=1; i <= S->labels(); i++) { - char buf[5]; - ::sprintf(buf,"Frm%02d",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 PassiveItem : public NCursesMenuItem { +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; + } +}; + // // ------------------------------------------------------------------------- // @@ -289,29 +436,45 @@ private: NCursesPanel* P; NCursesMenuItem** I; UserData *u; + #define n_items 7 public: - MyMenu () - : NCursesMenu (8, 8, (lines()-10)/2, (cols()-10)/2) + MyMenu () + : NCursesMenu (n_items+2, 8, (lines()-10)/2, (cols()-10)/2), + P(0), I(0), u(0) { u = new UserData(1); - I = new NCursesMenuItem*[7]; + 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 PassiveItem("Five"); - I[5] = new QuitItem(); - I[6] = new NCursesMenuItem(); // Terminating empty item - - InitMenu(I,TRUE,TRUE); - - P = new NCursesPanel(1,6,LINES-1,1); - boldframe("Demo","Silly"); + 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() + MyMenu& operator=(const MyMenu& rhs) + { + if (this != &rhs) { + *this = rhs; + } + return *this; + } + + MyMenu(const MyMenu& rhs) + : NCursesMenu(rhs), P(0), I(0), u(0) + { + } + + ~MyMenu() THROWS(NCursesException) { P->hide(); delete P; @@ -321,7 +484,7 @@ public: virtual void On_Menu_Init() { NCursesWindow W(::stdscr); - P->move(0,0); + P->move(0, 0); P->clrtoeol(); for(int i=1; i<=count(); i++) P->addch('0' + i); @@ -331,32 +494,33 @@ public: virtual void On_Menu_Termination() { - P->move(0,0); + P->move(0, 0); P->clrtoeol(); 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); 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()); + P->printw("%1d", 1+item.index()); refresh(); } }; // // ------------------------------------------------------------------------- // -class TestApplication : public NCursesApplication { +class TestApplication : public NCursesApplication +{ protected: int titlesize() const { return 1; } void title(); @@ -372,26 +536,30 @@ public: int run(); }; -void TestApplication::init_labels(Soft_Label_Key_Set& S) const { +void TestApplication::init_labels(Soft_Label_Key_Set& S) const +{ for(int i=1; i <= S.labels(); i++) { - char buf[5]; - ::sprintf(buf,"Key%02d",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 } } -void TestApplication::title() { - const char * const title = "Simple C++ Binding Demo"; - const int len = ::strlen(title); +void TestApplication::title() +{ + const char * const titleText = "Simple C++ Binding Demo"; + const int len = ::strlen(titleText); titleWindow->bkgd(screen_titles()); - titleWindow->addstr(0,(titleWindow->cols()-len)/2,title); - titleWindow->noutrefresh(); + titleWindow->addstr(0, (titleWindow->cols() - len)/2, titleText); + titleWindow->noutrefresh(); } -int TestApplication::run() { +int TestApplication::run() +{ MyMenu M; M(); return 0; @@ -400,4 +568,4 @@ int TestApplication::run() { // // ------------------------------------------------------------------------- // -static TestApplication Demo; +static TestApplication *Demo = new TestApplication();