//Opens a file
void MenuOpen(list *FileBuffer, WINDOW *my_menu_win){
char str[MAXCHAR];
int i = 0, c;
mvwprintw(my_menu_win, LINES - 3, 0 , "Enter the name of the file: ");
int y = LINES - 2, x = 0;
while((c = wgetch(my_menu_win)) != 10){
switch(c){
case KEY_BACKSPACE: case 8:
if (x > 0){
x--;
wmove(my_menu_win, y, x);
i--;
}
mvwprintw(my_menu_win, y, x, " ");
str[i] = ' ';
break;
default:
str[i] = c;
i++;
mvwprintw(my_menu_win, y, x, "%c", c);
x++;
break;
}
}
str[i] = '\0';
OpenFile(FileBuffer, str);
MenuEdit(FileBuffer, my_menu_win);
}
bool GraphicsWindow::KeyDown(int c) {
if(c == '\b') {
// Treat backspace identically to escape.
MenuEdit(MNU_UNSELECT_ALL);
return true;
}
return false;
}
void GraphicsWindow::MouseRightUp(double x, double y) {
SS.extraLine.draw = false;
InvalidateGraphics();
// Don't show a context menu if the user is right-clicking the toolbar,
// or if they are finishing a pan.
if(ToolbarMouseMoved((int)x, (int)y)) return;
if(orig.startedMoving) return;
if(context.active) return;
if(pending.operation == DRAGGING_NEW_LINE_POINT ||
pending.operation == DRAGGING_NEW_CUBIC_POINT)
{
// Special case; use a right click to stop drawing lines, since
// a left click would draw another one. This is quicker and more
// intuitive than hitting escape. Likewise for new cubic segments.
ClearPending();
return;
}
context.active = true;
if(!hover.IsEmpty()) {
MakeSelected(&hover);
SS.ScheduleShowTW();
}
GroupSelection();
bool itemsSelected = (gs.n > 0 || gs.constraints > 0);
if(itemsSelected) {
if(gs.stylables > 0) {
ContextMenuListStyles();
AddContextMenuItem("Assign to Style", CONTEXT_SUBMENU);
}
if(gs.n + gs.constraints == 1) {
AddContextMenuItem("Group Info", CMNU_GROUP_INFO);
}
if(gs.n + gs.constraints == 1 && gs.stylables == 1) {
AddContextMenuItem("Style Info", CMNU_STYLE_INFO);
}
if(gs.withEndpoints > 0) {
AddContextMenuItem("Select Edge Chain", CMNU_SELECT_CHAIN);
}
if(gs.constraints == 1 && gs.n == 0) {
Constraint *c = SK.GetConstraint(gs.constraint[0]);
if(c->HasLabel() && c->type != Constraint::COMMENT) {
AddContextMenuItem("Toggle Reference Dimension",
CMNU_REFERENCE_DIM);
}
if(c->type == Constraint::ANGLE ||
c->type == Constraint::EQUAL_ANGLE)
{
AddContextMenuItem("Other Supplementary Angle",
CMNU_OTHER_ANGLE);
}
}
if(gs.comments > 0 || gs.points > 0) {
AddContextMenuItem("Snap to Grid", CMNU_SNAP_TO_GRID);
}
if(gs.points == 1) {
Entity *p = SK.GetEntity(gs.point[0]);
Constraint *c;
IdList<Constraint,hConstraint> *lc = &(SK.constraint);
for(c = lc->First(); c; c = lc->NextAfter(c)) {
if(c->type != Constraint::POINTS_COINCIDENT) continue;
if(c->ptA.v == p->h.v || c->ptB.v == p->h.v) {
break;
}
}
if(c) {
AddContextMenuItem("Delete Point-Coincident Constraint",
CMNU_DEL_COINCIDENT);
}
}
AddContextMenuItem(NULL, CONTEXT_SEPARATOR);
if(LockedInWorkplane()) {
AddContextMenuItem("Cut", CMNU_CUT_SEL);
AddContextMenuItem("Copy", CMNU_COPY_SEL);
}
}
if(SS.clipboard.r.n > 0 && LockedInWorkplane()) {
AddContextMenuItem("Paste", CMNU_PASTE_SEL);
}
if(itemsSelected) {
AddContextMenuItem("Delete", CMNU_DELETE_SEL);
AddContextMenuItem(NULL, CONTEXT_SEPARATOR);
AddContextMenuItem("Unselect All", CMNU_UNSELECT_ALL);
}
// If only one item is selected, then it must be the one that we just
// selected from the hovered item; in which case unselect all and hovered
// are equivalent.
if(!hover.IsEmpty() && selection.n > 1) {
AddContextMenuItem("Unselect Hovered", CMNU_UNSELECT_HOVERED);
}
int ret = ShowContextMenu();
switch(ret) {
case CMNU_UNSELECT_ALL:
MenuEdit(MNU_UNSELECT_ALL);
break;
case CMNU_UNSELECT_HOVERED:
if(!hover.IsEmpty()) {
MakeUnselected(&hover, true);
}
break;
case CMNU_SELECT_CHAIN:
MenuEdit(MNU_SELECT_CHAIN);
break;
case CMNU_CUT_SEL:
MenuClipboard(MNU_CUT);
break;
case CMNU_COPY_SEL:
MenuClipboard(MNU_COPY);
break;
case CMNU_PASTE_SEL:
MenuClipboard(MNU_PASTE);
break;
case CMNU_DELETE_SEL:
MenuClipboard(MNU_DELETE);
break;
case CMNU_REFERENCE_DIM:
Constraint::MenuConstrain(MNU_REFERENCE);
break;
case CMNU_OTHER_ANGLE:
Constraint::MenuConstrain(MNU_OTHER_ANGLE);
break;
case CMNU_DEL_COINCIDENT: {
SS.UndoRemember();
if(!gs.point[0].v) break;
Entity *p = SK.GetEntity(gs.point[0]);
if(!p->IsPoint()) break;
SK.constraint.ClearTags();
Constraint *c;
for(c = SK.constraint.First(); c; c = SK.constraint.NextAfter(c)) {
if(c->type != Constraint::POINTS_COINCIDENT) continue;
if(c->ptA.v == p->h.v || c->ptB.v == p->h.v) {
c->tag = 1;
}
}
SK.constraint.RemoveTagged();
ClearSelection();
break;
}
case CMNU_SNAP_TO_GRID:
MenuEdit(MNU_SNAP_TO_GRID);
break;
case CMNU_GROUP_INFO: {
hGroup hg;
if(gs.entities == 1) {
hg = SK.GetEntity(gs.entity[0])->group;
} else if(gs.points == 1) {
hg = SK.GetEntity(gs.point[0])->group;
} else if(gs.constraints == 1) {
hg = SK.GetConstraint(gs.constraint[0])->group;
} else {
break;
}
ClearSelection();
SS.TW.GoToScreen(TextWindow::SCREEN_GROUP_INFO);
SS.TW.shown.group = hg;
SS.ScheduleShowTW();
break;
}
case CMNU_STYLE_INFO: {
hStyle hs;
if(gs.entities == 1) {
hs = Style::ForEntity(gs.entity[0]);
} else if(gs.points == 1) {
hs = Style::ForEntity(gs.point[0]);
} else if(gs.constraints == 1) {
hs = SK.GetConstraint(gs.constraint[0])->disp.style;
if(!hs.v) hs.v = Style::CONSTRAINT;
} else {
break;
}
ClearSelection();
SS.TW.GoToScreen(TextWindow::SCREEN_STYLE_INFO);
SS.TW.shown.style = hs;
SS.ScheduleShowTW();
break;
}
case CMNU_NEW_CUSTOM_STYLE: {
uint32_t v = Style::CreateCustomStyle();
Style::AssignSelectionToStyle(v);
break;
}
case CMNU_NO_STYLE:
Style::AssignSelectionToStyle(0);
break;
default:
if(ret >= CMNU_FIRST_STYLE) {
Style::AssignSelectionToStyle(ret - CMNU_FIRST_STYLE);
} else {
// otherwise it was cancelled, so do nothing
contextMenuCancelTime = GetMilliseconds();
}
break;
}
context.active = false;
SS.ScheduleShowTW();
}
int main(){
WINDOW *my_win, *menu_win, *my_menu_win;
ITEM **my_items;
MENU *my_menu;
list *FileBuffer;
int height, width, startx, starty, exit = 0;
int highlight = 1;
int ch, c, choice = 0, i, j;
char str[81];
FileBuffer = (list *)malloc(sizeof(list));
if (FileBuffer == NULL)
return;
InitialiseBuffer(FileBuffer);
initscr();
clear();
noecho();
cbreak();
start_color();
/*Checking whether the terminal supports colors*/
if (has_colors() == FALSE){
endwin();
printf("Your terminal does not support colors\n");
}
keypad(stdscr, TRUE);
height = 3;
width = 10;
starty = (LINES - height)/2;
startx = (COLS - width) / 2;
refresh();
my_win = Create_NewWindow(height, width, starty, startx);
mvwhline(my_win, 5, 1, ACS_HLINE, width - 1);
init_pair(1, COLOR_RED, COLOR_BLACK);
init_pair(2, COLOR_CYAN, COLOR_BLACK);
/* Create items */
my_items = (ITEM **)calloc(nchoices, sizeof(ITEM *));
for(i = 0; i < nchoices; ++i)
my_items[i] = new_item(menu_options[i], menu_options[i]);
/* Create menu */
my_menu = new_menu((ITEM **)my_items);
/* Set menu option not to show the description */
menu_opts_off(my_menu, O_SHOWDESC);
/* Create the window to be associated with the menu */
my_menu_win = newwin(0, 0, 0, 0);
keypad(my_menu_win, TRUE);
/* Set main window and sub window */
set_menu_win(my_menu, my_menu_win);
set_menu_sub(my_menu, derwin(my_menu_win, 0, 0, 0, 0));
set_menu_format(my_menu, 1, 6);
set_menu_mark(my_menu, " * ");
/* Post the menu */
post_menu(my_menu);
wrefresh(my_menu_win);
i = 0;
mvwhline(my_menu_win, 1, 0, ACS_HLINE, COLS);
mvwprintw(my_menu_win, LINES - 1, 0, "Press F3 to go to the menu, F6 to exit", c);
while(1){
choice = ToggleMenu(my_menu_win, my_menu, i);
i = choice;
switch(choice){
case 0:
MenuOpen(FileBuffer, my_menu_win);
break;
case 1:
MenuNew(FileBuffer, my_menu_win, my_menu);
break;
case 2:
MenuSave(FileBuffer, my_menu_win);
break;
case 3:
MenuSaveAs(FileBuffer, my_menu_win);
break;
case 4:
MenuEdit(FileBuffer, my_menu_win);
break;
case 5:
MenuExit(FileBuffer, my_menu_win);
exit = 1;
break;
default:
break;
}
if (exit)
break;
}
/*Assertion: the user wants to exit the program*/
/* Unpost and free all the memory taken up */
unpost_menu(my_menu);
free_menu(my_menu);
for(j = 0; j < nchoices; ++j)
free_item(my_items[j]);
clrtoeol();
refresh();
/*Ending curses mode*/
endwin();
return 0;
}
