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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file LICENSE.rst or https://cmake.org/licensing for details. */
#include "cmCursesLongMessageForm.h"
#include <cstdio>
#include <cstring>
#include "cmCursesForm.h"
#include "cmCursesMainForm.h"
#include "cmCursesStandardIncludes.h"
#include "cmStringAlgorithms.h"
#include "cmVersion.h"
inline int ctrl(int z)
{
return (z & 037);
}
cmCursesLongMessageForm::cmCursesLongMessageForm(
std::vector<std::string> const& messages, char const* title,
ScrollBehavior scrollBehavior)
: Scrolling(scrollBehavior)
{
// Append all messages into on big string
this->Messages = cmJoin(messages, "\n");
this->Title = title;
this->Fields[0] = nullptr;
this->Fields[1] = nullptr;
}
cmCursesLongMessageForm::~cmCursesLongMessageForm()
{
if (this->Fields[0]) {
free_field(this->Fields[0]);
}
}
void cmCursesLongMessageForm::UpdateContent(std::string const& output,
std::string const& title)
{
this->Title = title;
if (!output.empty() && this->Messages.size() < MAX_CONTENT_SIZE) {
this->Messages.push_back('\n');
this->Messages.append(output);
form_driver(this->Form, REQ_NEXT_LINE);
form_driver(this->Form, REQ_BEG_LINE);
this->DrawMessage(output.c_str());
}
this->UpdateStatusBar();
touchwin(stdscr);
refresh();
}
void cmCursesLongMessageForm::UpdateStatusBar()
{
int x;
int y;
getmaxyx(stdscr, y, x);
char bar[cmCursesMainForm::MAX_WIDTH];
size_t size = this->Title.size();
if (size >= cmCursesMainForm::MAX_WIDTH) {
size = cmCursesMainForm::MAX_WIDTH - 1;
}
strncpy(bar, this->Title.c_str(), size);
for (size_t i = size; i < cmCursesMainForm::MAX_WIDTH; i++) {
bar[i] = ' ';
}
int width;
if (x >= 0 && x < cmCursesMainForm::MAX_WIDTH) {
width = x;
} else {
width = cmCursesMainForm::MAX_WIDTH - 1;
}
bar[width] = '\0';
char version[cmCursesMainForm::MAX_WIDTH];
char vertmp[128];
snprintf(vertmp, sizeof(vertmp), "CMake Version %s",
cmVersion::GetCMakeVersion());
size_t sideSpace = (width - strlen(vertmp));
for (size_t i = 0; i < sideSpace; i++) {
version[i] = ' ';
}
snprintf(version + sideSpace, sizeof(version) - sideSpace, "%s", vertmp);
version[width] = '\0';
char fmt_s[] = "%s";
curses_move(y - 4, 0);
attron(A_STANDOUT);
printw(fmt_s, bar);
attroff(A_STANDOUT);
curses_move(y - 3, 0);
printw(fmt_s, version);
pos_form_cursor(this->Form);
}
void cmCursesLongMessageForm::PrintKeys()
{
int x;
int y;
getmaxyx(stdscr, y, x);
if (x < cmCursesMainForm::MIN_WIDTH || y < cmCursesMainForm::MIN_HEIGHT) {
return;
}
char firstLine[512];
snprintf(firstLine, sizeof(firstLine), "Press [e] to exit screen");
char fmt_s[] = "%s";
curses_move(y - 2, 0);
printw(fmt_s, firstLine);
pos_form_cursor(this->Form);
}
void cmCursesLongMessageForm::Render(int /*left*/, int /*top*/, int /*width*/,
int /*height*/)
{
int x;
int y;
getmaxyx(stdscr, y, x);
if (this->Form) {
unpost_form(this->Form);
free_form(this->Form);
this->Form = nullptr;
}
if (this->Fields[0]) {
free_field(this->Fields[0]);
this->Fields[0] = nullptr;
}
this->Fields[0] = new_field(y - 6, x - 2, 1, 1, 0, 0);
field_opts_off(this->Fields[0], O_STATIC);
this->Form = new_form(this->Fields);
post_form(this->Form);
form_driver(this->Form, REQ_BEG_FIELD);
this->DrawMessage(this->Messages.c_str());
this->UpdateStatusBar();
touchwin(stdscr);
refresh();
}
void cmCursesLongMessageForm::DrawMessage(char const* msg) const
{
int i = 0;
while (msg[i] != '\0' && i < MAX_CONTENT_SIZE) {
if (msg[i] == '\n' && msg[i + 1] != '\0') {
form_driver(this->Form, REQ_NEXT_LINE);
form_driver(this->Form, REQ_BEG_LINE);
} else {
form_driver(this->Form, msg[i]);
}
i++;
}
if (this->Scrolling == ScrollBehavior::ScrollDown) {
form_driver(this->Form, REQ_END_FIELD);
} else {
form_driver(this->Form, REQ_BEG_FIELD);
}
}
void cmCursesLongMessageForm::HandleInput()
{
if (!this->Form) {
return;
}
char debugMessage[128];
for (;;) {
this->PrintKeys();
int key = getch();
#ifdef _WIN32
if (key == KEY_RESIZE) {
HandleResize();
}
#endif // _WIN32
snprintf(debugMessage, sizeof(debugMessage),
"Message widget handling input, key: %d", key);
cmCursesForm::LogMessage(debugMessage);
// quit
if (key == 'o' || key == 'e') {
break;
}
if (key == KEY_DOWN || key == ctrl('n') || key == 'j') {
form_driver(this->Form, REQ_SCR_FLINE);
} else if (key == KEY_UP || key == ctrl('p') || key == 'k') {
form_driver(this->Form, REQ_SCR_BLINE);
} else if (key == KEY_NPAGE || key == ctrl('d')) {
form_driver(this->Form, REQ_SCR_FPAGE);
} else if (key == KEY_PPAGE || key == ctrl('u')) {
form_driver(this->Form, REQ_SCR_BPAGE);
}
this->UpdateStatusBar();
touchwin(stdscr);
wrefresh(stdscr);
}
}
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