1 files changed, 232 insertions, 0 deletions
diff --git a/src/popup.c b/src/popup.c
new file mode 100644
index 0000000..c9caafc
--- /dev/null
+++ b/src/popup.c
@@ -0,0 +1,232 @@
+/****************************************************************************
+ * Functions for displaying popup windows.
+ * Copyright (C) 2004 Joe Wingbermuehle
+ ****************************************************************************/
+
+#include "jwm.h"
+#include "popup.h"
+#include "main.h"
+#include "color.h"
+#include "font.h"
+#include "screen.h"
+#include "cursor.h"
+#include "error.h"
+#include "timing.h"
+#include "misc.h"
+
+#define DEFAULT_POPUP_DELAY 600
+
+typedef struct PopupType {
+	int isActive;
+	int x, y;   /* The coordinates of the upper-left corner of the popup. */
+	int mx, my; /* The mouse position when the popup was created. */
+	int width, height;
+	char *text;
+	Window window;
+} PopupType;
+
+static PopupType popup;
+static int popupEnabled;
+int popupDelay;
+
+static void DrawPopup();
+
+/****************************************************************************
+ ****************************************************************************/
+void InitializePopup() {
+	popupDelay = DEFAULT_POPUP_DELAY;
+	popupEnabled = 1;
+}
+
+/****************************************************************************
+ ****************************************************************************/
+void StartupPopup() {
+	popup.isActive = 0;
+	popup.text = NULL;
+	popup.window = None;
+}
+
+/****************************************************************************
+ ****************************************************************************/
+void ShutdownPopup() {
+	if(popup.text) {
+		Release(popup.text);
+		popup.text = NULL;
+	}
+	if(popup.window != None) {
+		JXDestroyWindow(display, popup.window);
+		popup.window = None;
+	}
+}
+
+/****************************************************************************
+ ****************************************************************************/
+void DestroyPopup() {
+}
+
+/****************************************************************************
+ * Show a popup window.
+ * x - The x coordinate of the popup window.
+ * y - The y coordinate of the popup window.
+ * text - The text to display in the popup.
+ ****************************************************************************/
+void ShowPopup(int x, int y, const char *text) {
+
+	unsigned long attrMask;
+	XSetWindowAttributes attr;
+	const ScreenType *sp;
+
+	Assert(text);
+
+	if(!popupEnabled) {
+		return;
+	}
+
+	if(popup.text) {
+		Release(popup.text);
+		popup.text = NULL;
+	}
+
+	if(!strlen(text)) {
+		return;
+	}
+
+	popup.text = CopyString(text);
+
+	popup.height = GetStringHeight(FONT_POPUP);
+	popup.width = GetStringWidth(FONT_POPUP, popup.text);
+
+	popup.height += 2;
+	popup.width += 8; 
+
+	sp = GetCurrentScreen(x, y);
+
+	if(popup.width > sp->width) {
+		popup.width = sp->width;
+	}
+
+	popup.x = x;
+	popup.y = y - popup.height - 2;
+
+	if(popup.width + popup.x >= sp->width) {
+		popup.x = sp->width - popup.width - 2;
+	}
+	if(popup.height + popup.y >= sp->height) {
+		popup.y = sp->height - popup.height - 2;
+	}
+
+	if(popup.window == None) {
+
+		attrMask = 0;
+
+		attrMask |= CWEventMask;
+		attr.event_mask
+			= ExposureMask
+			| PointerMotionMask | PointerMotionHintMask;
+
+		attrMask |= CWSaveUnder;
+		attr.save_under = True;
+
+		attrMask |= CWBackPixel;
+		attr.background_pixel = colors[COLOR_POPUP_BG];
+
+		attrMask |= CWBorderPixel;
+		attr.border_pixel = colors[COLOR_POPUP_OUTLINE];
+
+		attrMask |= CWDontPropagate;
+		attr.do_not_propagate_mask
+			= PointerMotionMask
+			| ButtonPressMask
+			| ButtonReleaseMask;
+
+		popup.window = JXCreateWindow(display, rootWindow, popup.x, popup.y,
+			popup.width, popup.height, 1, CopyFromParent,
+			InputOutput, CopyFromParent, attrMask, &attr);
+
+	} else {
+		JXMoveResizeWindow(display, popup.window, popup.x, popup.y,
+			popup.width, popup.height);
+	}
+
+	popup.mx = x;
+	popup.my = y;
+
+	if(!popup.isActive) {
+		JXMapRaised(display, popup.window);
+		popup.isActive = 1;
+	} else {
+		DrawPopup();
+	}
+
+}
+
+/****************************************************************************
+ ****************************************************************************/
+void SetPopupEnabled(int e) {
+	popupEnabled = e;
+}
+
+/****************************************************************************
+ ****************************************************************************/
+void SetPopupDelay(const char *str) {
+
+	int temp;
+
+	if(str == NULL) {
+		return;
+	}
+
+	temp = atoi(str);
+
+	if(temp < 0) {
+		Warning("invalid popup delay specified: %s\n", str);
+	} else {
+		popupDelay = temp;
+	}
+
+}
+
+/****************************************************************************
+ ****************************************************************************/
+void SignalPopup(const TimeType *now, int x, int y) {
+
+	if(popup.isActive) {
+		if(abs(popup.mx - x) > 2 || abs(popup.my - y) > 2) {
+			JXUnmapWindow(display, popup.window);
+			popup.isActive = 0;
+		}
+	}
+
+}
+
+/****************************************************************************
+ ****************************************************************************/
+int ProcessPopupEvent(const XEvent *event) {
+
+	if(popup.isActive && event->xany.window == popup.window) {
+		if(event->type == Expose) {
+			DrawPopup();
+			return 1;
+		} else if(event->type == MotionNotify) {
+			JXUnmapWindow(display, popup.window);
+			popup.isActive = 0;
+			return 1;
+		}
+	}
+
+	return 0;
+
+}
+
+/****************************************************************************
+ ****************************************************************************/
+void DrawPopup() {
+
+	Assert(popup.isActive);
+
+	JXClearWindow(display, popup.window);
+	RenderString(popup.window, FONT_POPUP, COLOR_POPUP_FG, 4, 1,
+		popup.width, NULL, popup.text);
+
+}
+