diff options
Diffstat (limited to 'src/cursesview.c')
| -rw-r--r-- | src/cursesview.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/src/cursesview.c b/src/cursesview.c new file mode 100644 index 0000000..b032356 --- /dev/null +++ b/src/cursesview.c @@ -0,0 +1,180 @@ +#include "cursesview.h" + +#include <pthread.h> +#include <curses.h> +#include <panel.h> +#include <string.h> + +#define CURSESWIN_COUNT 3 + +// Global variable shared by all threads to say "finish current operation and go away" +extern int end; + +// window updated by cursesUpdateSliceDump callback from "worker" thread, with a mutex for prevent fuzzy concurrent updates +WINDOW *winUpdateSliceDump=NULL; +static pthread_mutex_t ncursesWriteMutex = PTHREAD_MUTEX_INITIALIZER; + +// Helpers declaration (below the interesting code of this file) +int cursesInit(WINDOW *wins[], PANEL *panels[], int count); +void cursesUnInit(WINDOW *wins[], PANEL *panels[], int count); +void cursesUpdateSliceDump(slices_evt_t *slicesEvt, slice_t *modifiedSlice); +void print_in_middle(WINDOW *win, int starty, int startx, int width, char *string, chtype color); +void makeWin(WINDOW **win, PANEL **panel, int h, int w, int y, int x, char title[]); + +void cursesMainLoop(slices_evt_t *slicesEvt) { + WINDOW *wins[CURSESWIN_COUNT]; + PANEL *panels[CURSESWIN_COUNT]; + int ch, i; + char str[2]; + + cursesInit(wins, panels, CURSESWIN_COUNT); + + wattron(wins[CURSESWIN_COUNT-1], COLOR_PAIR(4)); + mvwprintw(wins[CURSESWIN_COUNT-1], 1, 0, "(F2 to Exit)"); +// wattroff(wins[CURSESWIN_COUNT-1], COLOR_PAIR(4)); + + update_panels(); + doupdate(); + + /* Enable worker listener */ + //FIXME : check pointers ? + winUpdateSliceDump=wins[1]; + slicesEvt->eventListener=cursesUpdateSliceDump; + + while((ch = getch()) != KEY_F(2)) { + + pthread_mutex_lock(&ncursesWriteMutex); + + switch(ch) { + case '1': + case '2': + case '3': + str[0]=ch; str[1]='\0'; // int (ascii value+flags) to string + i=strtol(str, (char **)NULL, 10); // string to real integer + if (i>0 && i<=CURSESWIN_COUNT) { + top_panel(panels[i-1]); + update_panels(); + } + break; + } + + doupdate(); + + pthread_mutex_unlock(&ncursesWriteMutex); + } + + pthread_mutex_lock(&(slicesEvt->eventListenerMutex)); + slicesEvt->eventListener=NULL; + pthread_mutex_unlock(&(slicesEvt->eventListenerMutex)); + + end=1; + cursesUnInit(wins, panels, CURSESWIN_COUNT); +} + +int cursesInit(WINDOW *wins[], PANEL *panels[], int count) { + int screenH, screenW; + + /* Initialize curses */ + initscr(); + start_color(); + raw(); + keypad(stdscr, TRUE); + noecho(); + + /* Initialize all the colors */ + init_pair(1, COLOR_WHITE, COLOR_BLACK); + init_pair(2, COLOR_WHITE, COLOR_BLUE); + init_pair(3, COLOR_BLUE, COLOR_BLACK); + init_pair(4, COLOR_CYAN, COLOR_BLACK); + + /* Initialize windows and panels */ + getmaxyx(stdscr, screenH, screenW); + if ( screenH < 8 || screenW < 40 ) return 1; + + makeWin(wins+0, panels+0, 3 , screenW, 0 , 0, "Menu"); + makeWin(wins+1, panels+1, screenH-6 , screenW, 3 , 0, "Main Win"); + makeWin(wins+2, panels+2, 2 , screenW, screenH-3 , 0, "Commands"); + + /* Set up the user pointers to the next panel + set_panel_userptr(panels[0], panels[1]); + set_panel_userptr(panels[1], panels[2]); + set_panel_userptr(panels[2], panels[0]); + */ + + /* Update the stacking order. 2nd panel will be on top */ + update_panels(); + + return 0; +} + +void cursesUnInit(WINDOW *wins[], PANEL *panels[], int count) { + int i; + + for (i=0;i<count;i++) { + del_panel(panels[i]); + delwin(wins[i]); + } + endwin(); +} + +void cursesUpdateSliceDump(slices_evt_t *slicesEvt, slice_t *modifiedSlice) { +// char *strProgress="|/-\\"; +// static int progress=0; + char *toPrint; + address_t blockSize=0; + unsigned int charCount=(getmaxx(winUpdateSliceDump)-getbegx(winUpdateSliceDump))*(getmaxy(winUpdateSliceDump)-getbegy(winUpdateSliceDump)+2); + + //TODO : refesh only right parts of the representation + pthread_mutex_lock(&ncursesWriteMutex); + + toPrint=slicesDump(slicesEvt->data, &blockSize, charCount, slicesEvt->data->min, slicesEvt->data->max); + if (toPrint != NULL) { + attron(COLOR_PAIR(4)); + mvwprintw(winUpdateSliceDump, 1, 0, toPrint); +// attroff(COLOR_PAIR(4)); + + update_panels(); + doupdate(); + + free(toPrint); + } + +/* sprintf(toPrint, "%c - %p %p", strProgress[progress], slicesEvt, modifiedSlice); + progress=(progress+1)%strlen(strProgress); +*/ + pthread_mutex_unlock(&ncursesWriteMutex); +} + + +void print_in_middle(WINDOW *win, int starty, int startx, int width, char *string, chtype color) +{ int length, x, y; + float temp; + + if(win == NULL) + win = stdscr; + getyx(win, y, x); + if(startx != 0) + x = startx; + if(starty != 0) + y = starty; + if(width == 0) + width = 80; + + length = strlen(string); + temp = (width - length)/ 2; + x = startx + (int)temp; + wattron(win, color); + mvwprintw(win, y, x, "%s", string); + wattroff(win, color); + refresh(); +} + +void makeWin(WINDOW **win, PANEL **panel, int h, int w, int y, int x, char title[]) { + int i; + *win = newwin(h, w, y, x); + mvwprintw(*win, 0, 0, "%s", title); + mvwchgat(*win, 0, 0, -1, A_BOLD, 2, NULL); + for(i=1;i<h;i++) mvwchgat(*win, i, 0, -1, A_STANDOUT, 1, NULL); + *panel = new_panel(*win); +} + |