235 lines
6.6 KiB
C
235 lines
6.6 KiB
C
#include <panel.h>
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typedef struct _PANEL_DATA {
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int x, y, w, h;
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char label[80];
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int label_color;
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PANEL *next;
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}PANEL_DATA;
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#define NLINES 10
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#define NCOLS 40
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void init_wins(WINDOW **wins, int n);
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void win_show(WINDOW *win, char *label, int label_color);
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void print_in_middle(WINDOW *win, int starty, int startx, int width, char *string, chtype color);
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void set_user_ptrs(PANEL **panels, int n);
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int main()
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{ WINDOW *my_wins[3];
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PANEL *my_panels[3];
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PANEL_DATA *top;
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PANEL *stack_top;
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WINDOW *temp_win, *old_win;
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int ch;
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int newx, newy, neww, newh;
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int size = FALSE, move = FALSE;
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/* Initialize curses */
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initscr();
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start_color();
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cbreak();
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noecho();
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keypad(stdscr, TRUE);
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/* Initialize all the colors */
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init_pair(1, COLOR_RED, COLOR_BLACK);
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init_pair(2, COLOR_GREEN, COLOR_BLACK);
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init_pair(3, COLOR_BLUE, COLOR_BLACK);
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init_pair(4, COLOR_CYAN, COLOR_BLACK);
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init_wins(my_wins, 3);
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/* Attach a panel to each window */ /* Order is bottom up */
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my_panels[0] = new_panel(my_wins[0]); /* Push 0, order: stdscr-0 */
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my_panels[1] = new_panel(my_wins[1]); /* Push 1, order: stdscr-0-1 */
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my_panels[2] = new_panel(my_wins[2]); /* Push 2, order: stdscr-0-1-2 */
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set_user_ptrs(my_panels, 3);
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/* Update the stacking order. 2nd panel will be on top */
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update_panels();
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/* Show it on the screen */
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attron(COLOR_PAIR(4));
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mvprintw(LINES - 3, 0, "Use 'm' for moving, 'r' for resizing");
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mvprintw(LINES - 2, 0, "Use tab to browse through the windows (F1 to Exit)");
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attroff(COLOR_PAIR(4));
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doupdate();
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stack_top = my_panels[2];
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top = (PANEL_DATA *)panel_userptr(stack_top);
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newx = top->x;
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newy = top->y;
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neww = top->w;
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newh = top->h;
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while((ch = getch()) != KEY_F(1))
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{ switch(ch)
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{ case 9: /* Tab */
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top = (PANEL_DATA *)panel_userptr(stack_top);
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top_panel(top->next);
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stack_top = top->next;
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top = (PANEL_DATA *)panel_userptr(stack_top);
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newx = top->x;
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newy = top->y;
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neww = top->w;
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newh = top->h;
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break;
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case 'r': /* Re-Size*/
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size = TRUE;
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attron(COLOR_PAIR(4));
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mvprintw(LINES - 4, 0, "Entered Resizing :Use Arrow Keys to resize and press <ENTER> to end resizing");
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refresh();
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attroff(COLOR_PAIR(4));
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break;
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case 'm': /* Move */
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attron(COLOR_PAIR(4));
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mvprintw(LINES - 4, 0, "Entered Moving: Use Arrow Keys to Move and press <ENTER> to end moving");
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refresh();
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attroff(COLOR_PAIR(4));
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move = TRUE;
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break;
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case KEY_LEFT:
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if(size == TRUE)
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{ --newx;
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++neww;
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}
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if(move == TRUE)
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--newx;
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break;
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case KEY_RIGHT:
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if(size == TRUE)
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{ ++newx;
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--neww;
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}
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if(move == TRUE)
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++newx;
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break;
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case KEY_UP:
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if(size == TRUE)
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{ --newy;
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++newh;
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}
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if(move == TRUE)
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--newy;
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break;
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case KEY_DOWN:
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if(size == TRUE)
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{ ++newy;
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--newh;
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}
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if(move == TRUE)
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++newy;
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break;
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case 10: /* Enter */
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move(LINES - 4, 0);
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clrtoeol();
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refresh();
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if(size == TRUE)
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{ old_win = panel_window(stack_top);
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temp_win = newwin(newh, neww, newy, newx);
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replace_panel(stack_top, temp_win);
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win_show(temp_win, top->label, top->label_color);
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delwin(old_win);
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size = FALSE;
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}
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if(move == TRUE)
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{ move_panel(stack_top, newy, newx);
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move = FALSE;
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}
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break;
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}
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attron(COLOR_PAIR(4));
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mvprintw(LINES - 3, 0, "Use 'm' for moving, 'r' for resizing");
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mvprintw(LINES - 2, 0, "Use tab to browse through the windows (F1 to Exit)");
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attroff(COLOR_PAIR(4));
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refresh();
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update_panels();
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doupdate();
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}
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endwin();
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return 0;
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}
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/* Put all the windows */
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void init_wins(WINDOW **wins, int n)
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{ int x, y, i;
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char label[80];
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y = 2;
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x = 10;
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for(i = 0; i < n; ++i)
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{ wins[i] = newwin(NLINES, NCOLS, y, x);
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sprintf(label, "Window Number %d", i + 1);
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win_show(wins[i], label, i + 1);
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y += 3;
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x += 7;
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}
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}
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/* Set the PANEL_DATA structures for individual panels */
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void set_user_ptrs(PANEL **panels, int n)
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{ PANEL_DATA *ptrs;
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WINDOW *win;
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int x, y, w, h, i;
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char temp[80];
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ptrs = (PANEL_DATA *)calloc(n, sizeof(PANEL_DATA));
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for(i = 0;i < n; ++i)
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{ win = panel_window(panels[i]);
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getbegyx(win, y, x);
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getmaxyx(win, h, w);
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ptrs[i].x = x;
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ptrs[i].y = y;
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ptrs[i].w = w;
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ptrs[i].h = h;
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sprintf(temp, "Window Number %d", i + 1);
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strcpy(ptrs[i].label, temp);
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ptrs[i].label_color = i + 1;
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if(i + 1 == n)
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ptrs[i].next = panels[0];
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else
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ptrs[i].next = panels[i + 1];
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set_panel_userptr(panels[i], &ptrs[i]);
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}
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}
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/* Show the window with a border and a label */
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void win_show(WINDOW *win, char *label, int label_color)
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{ int startx, starty, height, width;
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getbegyx(win, starty, startx);
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getmaxyx(win, height, width);
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box(win, 0, 0);
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mvwaddch(win, 2, 0, ACS_LTEE);
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mvwhline(win, 2, 1, ACS_HLINE, width - 2);
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mvwaddch(win, 2, width - 1, ACS_RTEE);
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print_in_middle(win, 1, 0, width, label, COLOR_PAIR(label_color));
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}
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void print_in_middle(WINDOW *win, int starty, int startx, int width, char *string, chtype color)
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{ int length, x, y;
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float temp;
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if(win == NULL)
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win = stdscr;
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getyx(win, y, x);
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if(startx != 0)
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x = startx;
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if(starty != 0)
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y = starty;
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if(width == 0)
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width = 80;
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length = strlen(string);
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temp = (width - length)/ 2;
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x = startx + (int)temp;
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wattron(win, color);
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mvwprintw(win, y, x, "%s", string);
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wattroff(win, color);
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refresh();
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}
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