| /* |
| htop - ScreenManager.c |
| (C) 2004-2011 Hisham H. Muhammad |
| Released under the GNU GPL, see the COPYING file |
| in the source distribution for its full text. |
| */ |
| |
| /*{ |
| #include "FunctionBar.h" |
| #include "Vector.h" |
| #include "Header.h" |
| #include "Settings.h" |
| #include "Panel.h" |
| |
| typedef enum Orientation_ { |
| VERTICAL, |
| HORIZONTAL |
| } Orientation; |
| |
| typedef struct ScreenManager_ { |
| int x1; |
| int y1; |
| int x2; |
| int y2; |
| Orientation orientation; |
| Vector* panels; |
| int panelCount; |
| const Header* header; |
| const Settings* settings; |
| bool owner; |
| bool allowFocusChange; |
| } ScreenManager; |
| |
| }*/ |
| |
| #include "config.h" |
| #include "ScreenManager.h" |
| #include "ProcessList.h" |
| #include "Object.h" |
| #include "CRT.h" |
| #include "local-curses.h" |
| #include <assert.h> |
| #include <time.h> |
| #include <stdlib.h> |
| #include <stdbool.h> |
| |
| #if defined ERR && ERR > 0 |
| #undef ERR |
| #define ERR (-1) |
| #endif |
| |
| ScreenManager* ScreenManager_new(int x1, int y1, int x2, int y2, Orientation orientation, const Header* header, const Settings* settings, bool owner) { |
| ScreenManager* this; |
| this = xMalloc(sizeof(ScreenManager)); |
| this->x1 = x1; |
| this->y1 = y1; |
| this->x2 = x2; |
| this->y2 = y2; |
| this->orientation = orientation; |
| this->panels = Vector_new(Class(Panel), owner, DEFAULT_SIZE); |
| this->panelCount = 0; |
| this->header = header; |
| this->settings = settings; |
| this->owner = owner; |
| this->allowFocusChange = true; |
| return this; |
| } |
| |
| void ScreenManager_delete(ScreenManager* this) { |
| Vector_delete(this->panels); |
| free(this); |
| } |
| |
| inline int ScreenManager_size(ScreenManager* this) { |
| return this->panelCount; |
| } |
| |
| void ScreenManager_add(ScreenManager* this, Panel* item, int size) { |
| if (this->orientation == HORIZONTAL) { |
| int lastX = 0; |
| if (this->panelCount > 0) { |
| Panel* last = (Panel*) Vector_get(this->panels, this->panelCount - 1); |
| lastX = last->x + last->w + 1; |
| } |
| int height = LINES - this->y1 + this->y2; |
| if (size > 0) { |
| Panel_resize(item, size, height); |
| } else { |
| Panel_resize(item, COLS-this->x1+this->x2-lastX, height); |
| } |
| Panel_move(item, lastX, this->y1); |
| } |
| // TODO: VERTICAL |
| Vector_add(this->panels, item); |
| item->needsRedraw = true; |
| this->panelCount++; |
| } |
| |
| Panel* ScreenManager_remove(ScreenManager* this, int idx) { |
| assert(this->panelCount > idx); |
| Panel* panel = (Panel*) Vector_remove(this->panels, idx); |
| this->panelCount--; |
| return panel; |
| } |
| |
| void ScreenManager_resize(ScreenManager* this, int x1, int y1, int x2, int y2) { |
| this->x1 = x1; |
| this->y1 = y1; |
| this->x2 = x2; |
| this->y2 = y2; |
| int panels = this->panelCount; |
| if (this->orientation == HORIZONTAL) { |
| int lastX = 0; |
| for (int i = 0; i < panels - 1; i++) { |
| Panel* panel = (Panel*) Vector_get(this->panels, i); |
| Panel_resize(panel, panel->w, LINES-y1+y2); |
| Panel_move(panel, lastX, y1); |
| lastX = panel->x + panel->w + 1; |
| } |
| Panel* panel = (Panel*) Vector_get(this->panels, panels-1); |
| Panel_resize(panel, COLS-x1+x2-lastX, LINES-y1+y2); |
| Panel_move(panel, lastX, y1); |
| } |
| // TODO: VERTICAL |
| } |
| |
| static void checkRecalculation(ScreenManager* this, double* oldTime, int* sortTimeout, bool* redraw, bool *rescan, bool *timedOut) { |
| ProcessList* pl = this->header->pl; |
| |
| struct timeval tv; |
| gettimeofday(&tv, NULL); |
| double newTime = ((double)tv.tv_sec * 10) + ((double)tv.tv_usec / 100000); |
| *timedOut = (newTime - *oldTime > this->settings->delay); |
| *rescan = *rescan || *timedOut; |
| if (newTime < *oldTime) *rescan = true; // clock was adjusted? |
| if (*rescan) { |
| *oldTime = newTime; |
| ProcessList_scan(pl); |
| if (*sortTimeout == 0 || this->settings->treeView) { |
| ProcessList_sort(pl); |
| *sortTimeout = 1; |
| } |
| *redraw = true; |
| } |
| if (*redraw) { |
| ProcessList_rebuildPanel(pl); |
| Header_draw(this->header); |
| } |
| *rescan = false; |
| } |
| |
| static void ScreenManager_drawPanels(ScreenManager* this, int focus) { |
| const int nPanels = this->panelCount; |
| for (int i = 0; i < nPanels; i++) { |
| Panel* panel = (Panel*) Vector_get(this->panels, i); |
| Panel_draw(panel, i == focus); |
| if (this->orientation == HORIZONTAL) { |
| mvvline(panel->y, panel->x+panel->w, ' ', panel->h+1); |
| } |
| } |
| } |
| |
| static Panel* setCurrentPanel(Panel* panel) { |
| FunctionBar_draw(panel->currentBar, NULL); |
| return panel; |
| } |
| |
| void ScreenManager_run(ScreenManager* this, Panel** lastFocus, int* lastKey) { |
| bool quit = false; |
| int focus = 0; |
| |
| Panel* panelFocus = setCurrentPanel((Panel*) Vector_get(this->panels, focus)); |
| |
| double oldTime = 0.0; |
| |
| int ch = ERR; |
| int closeTimeout = 0; |
| |
| bool timedOut = true; |
| bool redraw = true; |
| bool rescan = false; |
| int sortTimeout = 0; |
| int resetSortTimeout = 5; |
| |
| while (!quit) { |
| if (this->header) { |
| checkRecalculation(this, &oldTime, &sortTimeout, &redraw, &rescan, &timedOut); |
| } |
| |
| if (redraw) { |
| ScreenManager_drawPanels(this, focus); |
| } |
| |
| int prevCh = ch; |
| #ifdef HAVE_SET_ESCDELAY |
| set_escdelay(25); |
| #endif |
| ch = getch(); |
| |
| HandlerResult result = IGNORED; |
| if (ch == KEY_MOUSE) { |
| ch = ERR; |
| MEVENT mevent; |
| int ok = getmouse(&mevent); |
| if (ok == OK) { |
| if (mevent.bstate & BUTTON1_RELEASED) { |
| if (mevent.y == LINES - 1) { |
| ch = FunctionBar_synthesizeEvent(panelFocus->currentBar, mevent.x); |
| } else { |
| for (int i = 0; i < this->panelCount; i++) { |
| Panel* panel = (Panel*) Vector_get(this->panels, i); |
| if (mevent.x >= panel->x && mevent.x <= panel->x+panel->w) { |
| if (mevent.y == panel->y) { |
| ch = EVENT_HEADER_CLICK(mevent.x - panel->x); |
| break; |
| } else if (mevent.y > panel->y && mevent.y <= panel->y+panel->h) { |
| ch = KEY_MOUSE; |
| if (panel == panelFocus || this->allowFocusChange) { |
| focus = i; |
| panelFocus = setCurrentPanel(panel); |
| Object* oldSelection = Panel_getSelected(panel); |
| Panel_setSelected(panel, mevent.y - panel->y + panel->scrollV - 1); |
| if (Panel_getSelected(panel) == oldSelection) { |
| ch = KEY_RECLICK; |
| } |
| } |
| break; |
| } |
| } |
| } |
| } |
| #if NCURSES_MOUSE_VERSION > 1 |
| } else if (mevent.bstate & BUTTON4_PRESSED) { |
| ch = KEY_WHEELUP; |
| } else if (mevent.bstate & BUTTON5_PRESSED) { |
| ch = KEY_WHEELDOWN; |
| #endif |
| } |
| } |
| } |
| if (ch == ERR) { |
| sortTimeout--; |
| if (prevCh == ch && !timedOut) { |
| closeTimeout++; |
| if (closeTimeout == 100) { |
| break; |
| } |
| } else |
| closeTimeout = 0; |
| redraw = false; |
| continue; |
| } |
| switch (ch) { |
| case KEY_ALT('H'): ch = KEY_LEFT; break; |
| case KEY_ALT('J'): ch = KEY_DOWN; break; |
| case KEY_ALT('K'): ch = KEY_UP; break; |
| case KEY_ALT('L'): ch = KEY_RIGHT; break; |
| } |
| redraw = true; |
| if (Panel_eventHandlerFn(panelFocus)) { |
| result = Panel_eventHandler(panelFocus, ch); |
| } |
| if (result & SYNTH_KEY) { |
| ch = result >> 16; |
| } |
| if (result & REDRAW) { |
| sortTimeout = 0; |
| } |
| if (result & RESCAN) { |
| rescan = true; |
| sortTimeout = 0; |
| } |
| if (result & HANDLED) { |
| continue; |
| } else if (result & BREAK_LOOP) { |
| quit = true; |
| continue; |
| } |
| |
| switch (ch) { |
| case KEY_RESIZE: |
| { |
| ScreenManager_resize(this, this->x1, this->y1, this->x2, this->y2); |
| continue; |
| } |
| case KEY_LEFT: |
| case KEY_CTRL('B'): |
| if (this->panelCount < 2) { |
| goto defaultHandler; |
| } |
| if (!this->allowFocusChange) |
| break; |
| tryLeft: |
| if (focus > 0) |
| focus--; |
| panelFocus = setCurrentPanel((Panel*) Vector_get(this->panels, focus)); |
| if (Panel_size(panelFocus) == 0 && focus > 0) |
| goto tryLeft; |
| break; |
| case KEY_RIGHT: |
| case KEY_CTRL('F'): |
| case 9: |
| if (this->panelCount < 2) { |
| goto defaultHandler; |
| } |
| if (!this->allowFocusChange) |
| break; |
| tryRight: |
| if (focus < this->panelCount - 1) |
| focus++; |
| panelFocus = setCurrentPanel((Panel*) Vector_get(this->panels, focus)); |
| if (Panel_size(panelFocus) == 0 && focus < this->panelCount - 1) |
| goto tryRight; |
| break; |
| case KEY_F(10): |
| case 'q': |
| case 27: |
| quit = true; |
| continue; |
| default: |
| defaultHandler: |
| sortTimeout = resetSortTimeout; |
| Panel_onKey(panelFocus, ch); |
| break; |
| } |
| } |
| |
| if (lastFocus) |
| *lastFocus = panelFocus; |
| if (lastKey) |
| *lastKey = ch; |
| } |