import java.io.InputStream;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
+import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import jexer.event.TResizeEvent;
import jexer.backend.Backend;
import jexer.backend.ECMA48Backend;
+import jexer.io.Screen;
import static jexer.TCommand.*;
import static jexer.TKeypress.*;
*/
private Backend backend;
+ /**
+ * Get the Screen.
+ *
+ * @return the Screen
+ */
+ public final Screen getScreen() {
+ return backend.getScreen();
+ }
+
/**
* Actual mouse coordinate X.
*/
return theme;
}
+ /**
+ * The top-level windows (but not menus).
+ */
+ List<TWindow> windows;
+
/**
* When true, exit the application.
*/
- public boolean quit = false;
+ private boolean quit = false;
/**
* When true, repaint the entire screen.
*/
- public boolean repaint = true;
+ private boolean repaint = true;
+
+ /**
+ * Request full repaint on next screen refresh.
+ */
+ public void setRepaint() {
+ repaint = true;
+ }
/**
* When true, just flush updates from the screen.
*/
- public boolean flush = false;
+ private boolean flush = false;
/**
* Y coordinate of the top edge of the desktop. For now this is a
* constant. Someday it would be nice to have a multi-line menu or
* toolbars.
*/
- public static final int desktopTop = 1;
+ private static final int desktopTop = 1;
+
+ /**
+ * Get Y coordinate of the top edge of the desktop.
+ *
+ * @return Y coordinate of the top edge of the desktop
+ */
+ public final int getDesktopTop() {
+ return desktopTop;
+ }
/**
* Y coordinate of the bottom edge of the desktop.
*/
- public int desktopBottom;
+ private int desktopBottom;
+
+ /**
+ * Get Y coordinate of the bottom edge of the desktop.
+ *
+ * @return Y coordinate of the bottom edge of the desktop
+ */
+ public final int getDesktopBottom() {
+ return desktopBottom;
+ }
/**
* Public constructor.
backend = new ECMA48Backend(input, output);
theme = new ColorTheme();
- desktopBottom = backend.getScreen().getHeight() - 1;
+ desktopBottom = getScreen().getHeight() - 1;
eventQueue = new LinkedList<TInputEvent>();
+ windows = new LinkedList<TWindow>();
}
/**
* Invert the cell at the mouse pointer position.
*/
private void drawMouse() {
- CellAttributes attr = backend.getScreen().getAttrXY(mouseX, mouseY);
+ CellAttributes attr = getScreen().getAttrXY(mouseX, mouseY);
attr.setForeColor(attr.getForeColor().invert());
attr.setBackColor(attr.getBackColor().invert());
- backend.getScreen().putAttrXY(mouseX, mouseY, attr, false);
+ getScreen().putAttrXY(mouseX, mouseY, attr, false);
flush = true;
- /*
- if (windows.length == 0) {
+ if (windows.size() == 0) {
repaint = true;
}
- */
- // TODO: remove this repaint after the above if (windows.length == 0)
- // can be used again.
- repaint = true;
}
/**
boolean cursor = false;
// Start with a clean screen
- backend.getScreen().clear();
+ getScreen().clear();
// Draw the background
CellAttributes background = theme.getColor("tapplication.background");
- backend.getScreen().putAll(GraphicsChars.HATCH, background);
+ getScreen().putAll(GraphicsChars.HATCH, background);
- /*
// Draw each window in reverse Z order
- TWindow [] sorted = windows.dup;
- sorted.sort.reverse;
- foreach (w; sorted) {
- w.drawChildren();
+ List<TWindow> sorted = new LinkedList<TWindow>(windows);
+ Collections.sort(sorted);
+ Collections.reverse(sorted);
+ for (TWindow window: sorted) {
+ window.drawChildren();
}
+ /*
// Draw the blank menubar line - reset the screen clipping first so
// it won't trim it out.
- backend.getScreen().resetClipping();
- backend.getScreen().hLineXY(0, 0, backend.getScreen().getWidth(), ' ',
+ getScreen().resetClipping();
+ getScreen().hLineXY(0, 0, getScreen().getWidth(), ' ',
theme.getColor("tmenu"));
// Now draw the menus.
int x = 1;
- foreach (m; menus) {
+ for (TMenu m: menus) {
CellAttributes menuColor;
CellAttributes menuMnemonicColor;
- if (m.active) {
+ if (menu.active) {
menuColor = theme.getColor("tmenu.highlighted");
menuMnemonicColor = theme.getColor("tmenu.mnemonic.highlighted");
} else {
menuMnemonicColor = theme.getColor("tmenu.mnemonic");
}
// Draw the menu title
- backend.getScreen().hLineXY(x, 0, cast(int)m.title.length + 2, ' ',
+ getScreen().hLineXY(x, 0, menu.title.length() + 2, ' ',
menuColor);
- backend.getScreen().putStrXY(x + 1, 0, m.title, menuColor);
+ getScreen().putStrXY(x + 1, 0, menu.title, menuColor);
// Draw the highlight character
- backend.getScreen().putCharXY(x + 1 + m.mnemonic.shortcutIdx, 0,
+ getScreen().putCharXY(x + 1 + m.mnemonic.shortcutIdx, 0,
m.mnemonic.shortcut, menuMnemonicColor);
- if (m.active) {
- m.drawChildren();
+ if (menu.active) {
+ menu.drawChildren();
// Reset the screen clipping so we can draw the next title.
- backend.getScreen().resetClipping();
+ getScreen().resetClipping();
}
- x += m.title.length + 2;
+ x += menu.title.length + 2;
}
- foreach (m; subMenus) {
+ for (TMenu menu: subMenus) {
// Reset the screen clipping so we can draw the next sub-menu.
- backend.getScreen().resetClipping();
- m.drawChildren();
+ getScreen().resetClipping();
+ menu.drawChildren();
}
- */
+ */
// Draw the mouse pointer
drawMouse();
- /*
// Place the cursor if it is visible
TWidget activeWidget = null;
- if (sorted.length > 0) {
- activeWidget = sorted[$ - 1].getActiveChild();
- if (activeWidget.hasCursor) {
- backend.getScreen().putCursor(true, activeWidget.getCursorAbsoluteX(),
+ if (sorted.size() > 0) {
+ activeWidget = sorted.get(sorted.size() - 1).getActiveChild();
+ if (activeWidget.visibleCursor()) {
+ getScreen().putCursor(true, activeWidget.getCursorAbsoluteX(),
activeWidget.getCursorAbsoluteY());
cursor = true;
}
// Kill the cursor
if (cursor == false) {
- backend.getScreen().hideCursor();
+ getScreen().hideCursor();
}
- */
// Flush the screen contents
backend.flushScreen();
// DEBUG
if (event instanceof TKeypressEvent) {
TKeypressEvent keypress = (TKeypressEvent) event;
- if (keypress.key.equals(kbAltX)) {
+ if (keypress.equals(kbAltX)) {
quit = true;
return;
}
// Screen resize
if (event instanceof TResizeEvent) {
TResizeEvent resize = (TResizeEvent) event;
- backend.getScreen().setDimensions(resize.getWidth(),
+ getScreen().setDimensions(resize.getWidth(),
resize.getHeight());
- desktopBottom = backend.getScreen().getHeight() - 1;
+ desktopBottom = getScreen().getHeight() - 1;
repaint = true;
mouseX = 0;
mouseY = 0;
// Peek at the mouse position
if (event instanceof TMouseEvent) {
TMouseEvent mouse = (TMouseEvent) event;
- if ((mouseX != mouse.x) || (mouseY != mouse.y)) {
- mouseX = mouse.x;
- mouseY = mouse.y;
+ if ((mouseX != mouse.getX()) || (mouseY != mouse.getY())) {
+ mouseX = mouse.getX();
+ mouseY = mouse.getY();
drawMouse();
}
}
+ // TODO: change to two separate threads
+ handleEvent(event);
+
/*
// Put into the main queue
}
+ /**
+ * Dispatch one event to the appropriate widget or application-level
+ * event handler.
+ *
+ * @param event the input event to consume
+ */
+ private final void handleEvent(TInputEvent event) {
+
+ /*
+ // std.stdio.stderr.writefln("Handle event: %s", event);
+
+ // Special application-wide events -----------------------------------
+
+ // Peek at the mouse position
+ if (auto mouse = cast(TMouseEvent)event) {
+ // See if we need to switch focus to another window or the menu
+ checkSwitchFocus(mouse);
+ }
+
+ // Handle menu events
+ if ((activeMenu !is null) && (!cast(TCommandEvent)event)) {
+ TMenu menu = activeMenu;
+ if (auto mouse = cast(TMouseEvent)event) {
+
+ while (subMenus.length > 0) {
+ TMenu subMenu = subMenus[$ - 1];
+ if (subMenu.mouseWouldHit(mouse)) {
+ break;
+ }
+ if ((mouse.type == TMouseEvent.Type.MOUSE_MOTION) &&
+ (!mouse.mouse1) &&
+ (!mouse.mouse2) &&
+ (!mouse.mouse3) &&
+ (!mouse.mouseWheelUp) &&
+ (!mouse.mouseWheelDown)
+ ) {
+ break;
+ }
+ // We navigated away from a sub-menu, so close it
+ closeSubMenu();
+ }
+
+ // Convert the mouse relative x/y to menu coordinates
+ assert(mouse.x == mouse.absoluteX);
+ assert(mouse.y == mouse.absoluteY);
+ if (subMenus.length > 0) {
+ menu = subMenus[$ - 1];
+ }
+ mouse.x -= menu.x;
+ mouse.y -= menu.y;
+ }
+ menu.handleEvent(event);
+ return;
+ }
+
+ if (auto keypress = cast(TKeypressEvent)event) {
+ // See if this key matches an accelerator, and if so dispatch the
+ // menu event.
+ TKeypress keypressLowercase = toLower(keypress.key);
+ TMenuItem *item = (keypressLowercase in accelerators);
+ if (item !is null) {
+ // Let the menu item dispatch
+ item.dispatch();
+ return;
+ } else {
+ // Handle the keypress
+ if (onKeypress(keypress)) {
+ return;
+ }
+ }
+ }
+
+ if (auto cmd = cast(TCommandEvent)event) {
+ if (onCommand(cmd)) {
+ return;
+ }
+ }
+
+ if (auto menu = cast(TMenuEvent)event) {
+ if (onMenu(menu)) {
+ return;
+ }
+ }
+ */
+
+ // Dispatch events to the active window -------------------------------
+ for (TWindow window: windows) {
+ if (window.active) {
+ if (event instanceof TMouseEvent) {
+ TMouseEvent mouse = (TMouseEvent) event;
+ // Convert the mouse relative x/y to window coordinates
+ assert (mouse.getX() == mouse.getAbsoluteX());
+ assert (mouse.getY() == mouse.getAbsoluteY());
+ mouse.setX(mouse.getX() - window.x);
+ mouse.setY(mouse.getY() - window.y);
+ }
+ // System.err("TApplication dispatch event: %s\n", event);
+ window.handleEvent(event);
+ break;
+ }
+ }
+ }
+
/**
* Do stuff when there is no user input.
*/
private void doIdle() {
/*
+ TODO
// Now run any timers that have timed out
auto now = Clock.currTime;
TTimer [] keepTimers;
return 250;
}
+ /**
+ * Close window. Note that the window's destructor is NOT called by this
+ * method, instead the GC is assumed to do the cleanup.
+ *
+ * @param window the window to remove
+ */
+ public final void closeWindow(final TWindow window) {
+ /*
+ TODO
+
+ uint z = window.z;
+ window.z = -1;
+ windows.sort;
+ windows = windows[1 .. $];
+ TWindow activeWindow = null;
+ foreach (w; windows) {
+ if (w.z > z) {
+ w.z--;
+ if (w.z == 0) {
+ w.active = true;
+ assert(activeWindow is null);
+ activeWindow = w;
+ } else {
+ w.active = false;
+ }
+ }
+ }
+
+ // Perform window cleanup
+ window.onClose();
+
+ // Refresh screen
+ repaint = true;
+
+ // Check if we are closing a TMessageBox or similar
+ if (secondaryEventReceiver !is null) {
+ assert(secondaryEventFiber !is null);
+
+ // Do not send events to the secondaryEventReceiver anymore, the
+ // window is closed.
+ secondaryEventReceiver = null;
+
+ // Special case: if this is called while executing on a
+ // secondaryEventFiber, call it so that widgetEventHandler() can
+ // terminate.
+ if (secondaryEventFiber.state == Fiber.State.HOLD) {
+ secondaryEventFiber.call();
+ }
+ secondaryEventFiber = null;
+
+ // Unfreeze the logic in handleEvent()
+ if (primaryEventFiber.state == Fiber.State.HOLD) {
+ primaryEventFiber.call();
+ }
+ }
+ */
+ }
+
+ /**
+ * Switch to the next window.
+ *
+ * @param forward if true, then switch to the next window in the list,
+ * otherwise switch to the previous window in the list
+ */
+ public final void switchWindow(final boolean forward) {
+ /*
+ TODO
+
+ // Only switch if there are multiple windows
+ if (windows.length < 2) {
+ return;
+ }
+
+ // Swap z/active between active window and the next in the
+ // list
+ ptrdiff_t activeWindowI = -1;
+ for (auto i = 0; i < windows.length; i++) {
+ if (windows[i].active) {
+ activeWindowI = i;
+ break;
+ }
+ }
+ assert(activeWindowI >= 0);
+
+ // Do not switch if a window is modal
+ if (windows[activeWindowI].isModal()) {
+ return;
+ }
+
+ size_t nextWindowI;
+ if (forward) {
+ nextWindowI = (activeWindowI + 1) % windows.length;
+ } else {
+ if (activeWindowI == 0) {
+ nextWindowI = windows.length - 1;
+ } else {
+ nextWindowI = activeWindowI - 1;
+ }
+ }
+ windows[activeWindowI].active = false;
+ windows[activeWindowI].z = windows[nextWindowI].z;
+ windows[nextWindowI].z = 0;
+ windows[nextWindowI].active = true;
+
+ // Refresh
+ repaint = true;
+ */
+ }
+
+ /**
+ * Add a window to my window list and make it active.
+ *
+ * @param window new window to add
+ */
+ public final void addWindow(final TWindow window) {
+ // Do not allow a modal window to spawn a non-modal window
+ if ((windows.size() > 0) && (windows.get(0).isModal())) {
+ assert (window.isModal());
+ }
+ for (TWindow w: windows) {
+ w.active = false;
+ w.setZ(w.getZ() + 1);
+ }
+ windows.add(window);
+ window.active = true;
+ window.setZ(0);
+ }
+
+
}
git://git.nikiroo.be / fanfix.git / blobdiff