CMake/Source/CursesDialog/cmCursesLongMessageForm.cxx

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmCursesLongMessageForm.h"
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#include "../cmSystemTools.h"
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#include "../cmVersion.h"
#include "../cmake.h"
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#include "cmCursesMainForm.h"
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inline int ctrl(int z)
{
return (z & 037);
}
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cmCursesLongMessageForm::cmCursesLongMessageForm(
std::vector<std::string> const& messages, const char* title)
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{
// Append all messages into on big string
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std::vector<std::string>::const_iterator it;
for (it = messages.begin(); it != messages.end(); it++) {
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this->Messages += (*it);
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// Add one blank line after each message
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this->Messages += "\n\n";
}
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this->Title = title;
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this->Fields[0] = CM_NULLPTR;
this->Fields[1] = CM_NULLPTR;
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}
cmCursesLongMessageForm::~cmCursesLongMessageForm()
{
if (this->Fields[0]) {
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free_field(this->Fields[0]);
}
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}
void cmCursesLongMessageForm::UpdateStatusBar()
{
int x, y;
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getmaxyx(stdscr, y, x);
char bar[cmCursesMainForm::MAX_WIDTH];
size_t size = strlen(this->Title.c_str());
if (size >= cmCursesMainForm::MAX_WIDTH) {
size = cmCursesMainForm::MAX_WIDTH - 1;
}
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strncpy(bar, this->Title.c_str(), size);
for (size_t i = size - 1; i < cmCursesMainForm::MAX_WIDTH; i++) {
bar[i] = ' ';
}
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int width;
if (x < cmCursesMainForm::MAX_WIDTH) {
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width = x;
} else {
width = cmCursesMainForm::MAX_WIDTH - 1;
}
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bar[width] = '\0';
char version[cmCursesMainForm::MAX_WIDTH];
char vertmp[128];
sprintf(vertmp, "CMake Version %s", cmVersion::GetCMakeVersion());
size_t sideSpace = (width - strlen(vertmp));
for (size_t i = 0; i < sideSpace; i++) {
version[i] = ' ';
}
sprintf(version + sideSpace, "%s", vertmp);
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version[width] = '\0';
char fmt_s[] = "%s";
curses_move(y - 4, 0);
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attron(A_STANDOUT);
printw(fmt_s, bar);
attroff(A_STANDOUT);
curses_move(y - 3, 0);
printw(fmt_s, version);
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pos_form_cursor(this->Form);
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}
void cmCursesLongMessageForm::PrintKeys()
{
int x, y;
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getmaxyx(stdscr, y, x);
if (x < cmCursesMainForm::MIN_WIDTH || y < cmCursesMainForm::MIN_HEIGHT) {
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return;
}
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char firstLine[512];
sprintf(firstLine, "Press [e] to exit help");
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char fmt_s[] = "%s";
curses_move(y - 2, 0);
printw(fmt_s, firstLine);
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pos_form_cursor(this->Form);
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}
void cmCursesLongMessageForm::Render(int /*left*/, int /*top*/, int /*width*/,
int /*height*/)
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{
int x, y;
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getmaxyx(stdscr, y, x);
if (this->Form) {
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unpost_form(this->Form);
free_form(this->Form);
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this->Form = CM_NULLPTR;
}
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const char* msg = this->Messages.c_str();
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curses_clear();
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if (this->Fields[0]) {
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free_field(this->Fields[0]);
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this->Fields[0] = CM_NULLPTR;
}
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this->Fields[0] = new_field(y - 6, x - 2, 1, 1, 0, 0);
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field_opts_off(this->Fields[0], O_STATIC);
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this->Form = new_form(this->Fields);
post_form(this->Form);
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int i = 0;
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form_driver(this->Form, REQ_BEG_FIELD);
while (msg[i] != '\0' && i < 60000) {
if (msg[i] == '\n' && msg[i + 1] != '\0') {
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form_driver(this->Form, REQ_NEW_LINE);
} else {
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form_driver(this->Form, msg[i]);
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}
i++;
}
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form_driver(this->Form, REQ_BEG_FIELD);
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this->UpdateStatusBar();
this->PrintKeys();
touchwin(stdscr);
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refresh();
}
void cmCursesLongMessageForm::HandleInput()
{
if (!this->Form) {
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return;
}
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char debugMessage[128];
for (;;) {
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int key = getch();
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sprintf(debugMessage, "Message widget handling input, key: %d", key);
cmCursesForm::LogMessage(debugMessage);
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// quit
if (key == 'o' || key == 'e') {
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break;
} else if (key == KEY_DOWN || key == ctrl('n')) {
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form_driver(this->Form, REQ_SCR_FLINE);
} else if (key == KEY_UP || key == ctrl('p')) {
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form_driver(this->Form, REQ_SCR_BLINE);
} else if (key == KEY_NPAGE || key == ctrl('d')) {
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form_driver(this->Form, REQ_SCR_FPAGE);
} else if (key == KEY_PPAGE || key == ctrl('u')) {
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form_driver(this->Form, REQ_SCR_BPAGE);
}
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this->UpdateStatusBar();
this->PrintKeys();
touchwin(stdscr);
wrefresh(stdscr);
}
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}