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Copying wm from old ede
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Sanel Zukan
143
edewm/Cursor.cpp
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143
edewm/Cursor.cpp
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#include "Frame.h"
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#include <X11/Xlib.h>
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#include <X11/cursorfont.h>
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#include <efltk/Fl.h>
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#include <efltk/Fl_Window.h>
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#include <efltk/x.h>
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// I like the MSWindows resize cursors, so I duplicate them here:
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#define CURSORSIZE 16
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#define HOTXY 8
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static struct TableEntry {
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uchar bits[CURSORSIZE*CURSORSIZE/8];
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uchar mask[CURSORSIZE*CURSORSIZE/8];
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Cursor cursor;
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} table[] = {
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{{ // FL_CURSOR_NS
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0x00, 0x00, 0x80, 0x01, 0xc0, 0x03, 0xe0, 0x07, 0x80, 0x01, 0x80, 0x01,
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0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01,
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0xe0, 0x07, 0xc0, 0x03, 0x80, 0x01, 0x00, 0x00},
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{
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0x80, 0x01, 0xc0, 0x03, 0xe0, 0x07, 0xf0, 0x0f, 0xf0, 0x0f, 0xc0, 0x03,
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0xc0, 0x03, 0xc0, 0x03, 0xc0, 0x03, 0xc0, 0x03, 0xc0, 0x03, 0xf0, 0x0f,
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0xf0, 0x0f, 0xe0, 0x07, 0xc0, 0x03, 0x80, 0x01}},
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{{ // FL_CURSOR_EW
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x10,
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0x0c, 0x30, 0xfe, 0x7f, 0xfe, 0x7f, 0x0c, 0x30, 0x08, 0x10, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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{
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x1c, 0x38,
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0xfe, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0x1c, 0x38, 0x18, 0x18,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}},
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{{ // FL_CURSOR_NWSE
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x00, 0x38, 0x00, 0x78, 0x00,
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0xe8, 0x00, 0xc0, 0x01, 0x80, 0x03, 0x00, 0x17, 0x00, 0x1e, 0x00, 0x1c,
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0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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{
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0x00, 0x00, 0x00, 0x00, 0xfc, 0x00, 0xfc, 0x00, 0x7c, 0x00, 0xfc, 0x00,
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0xfc, 0x01, 0xec, 0x03, 0xc0, 0x37, 0x80, 0x3f, 0x00, 0x3f, 0x00, 0x3e,
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0x00, 0x3f, 0x00, 0x3f, 0x00, 0x00, 0x00, 0x00}},
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{{ // FL_CURSOR_NESW
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x1c, 0x00, 0x1e,
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0x00, 0x17, 0x80, 0x03, 0xc0, 0x01, 0xe8, 0x00, 0x78, 0x00, 0x38, 0x00,
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0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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{
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0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3e, 0x00, 0x3f,
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0x80, 0x3f, 0xc0, 0x37, 0xec, 0x03, 0xfc, 0x01, 0xfc, 0x00, 0x7c, 0x00,
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0xfc, 0x00, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00}},
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{{0}, {0}} // FL_CURSOR_NONE & unknown
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};
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static int deleteit = 0;
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static Cursor cursor;
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void set_frame_cursor(Fl_Cursor c, Fl_Color fg, Fl_Color bg, Window wid)
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{
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if(deleteit) XFreeCursor(fl_display, cursor);
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deleteit=0;
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if (!c) {
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cursor = None;
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} else {
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if (c >= FL_CURSOR_NS) {
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TableEntry *q = (c > FL_CURSOR_NESW) ? table+4 : table+(c-FL_CURSOR_NS);
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if (!(q->cursor)) {
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XColor dummy;
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Pixmap p = XCreateBitmapFromData(fl_display,
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RootWindow(fl_display, fl_screen), (const char*)(q->bits),
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CURSORSIZE, CURSORSIZE);
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Pixmap m = XCreateBitmapFromData(fl_display,
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RootWindow(fl_display, fl_screen), (const char*)(q->mask),
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CURSORSIZE, CURSORSIZE);
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q->cursor = XCreatePixmapCursor(fl_display, p,m,&dummy, &dummy,
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HOTXY, HOTXY);
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XFreePixmap(fl_display, m);
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XFreePixmap(fl_display, p);
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}
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cursor = q->cursor;
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} else {
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cursor = XCreateFontCursor(fl_display, (c-1)*2);
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deleteit = 1;
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}
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XColor fgc;
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fg = fl_get_color(fg);
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fgc.red = (fg>>16)&0xFF00;
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fgc.green = (fg>>8)&0xFF00;
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fgc.blue = fg & 0xFF00;
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XColor bgc;
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bg = fl_get_color(bg);
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bgc.red = (bg>>16)&0xFF00;
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bgc.green = (bg>>8)&0xFF00;
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bgc.blue = bg & 0xFF00;
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XRecolorCursor(fl_display, cursor, &fgc, &bgc);
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}
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XDefineCursor(fl_display, wid, cursor);
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}
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static bool grab_ = false;
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void grab_cursor(bool grab)
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{
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if (grab_) {
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grab_ = false;
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Fl::event_is_click(0); // avoid double click
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XAllowEvents(fl_display, Fl::event()==FL_PUSH ? ReplayPointer : AsyncPointer, CurrentTime);
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XUngrabPointer(fl_display, fl_event_time); // Qt did not do this...
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XFlush(fl_display); // make sure we are out of danger before continuing...
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// because we "pushed back" the FL_PUSH, make it think no buttons are down:
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Fl::e_state &= 0xffffff;
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Fl::e_keysym = 0;
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}
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// start the new grab:
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// Both X and Win32 have the annoying requirement that a visible window
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// be used as a target for the events, and it cannot disappear while the
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// grab is running. I just grab efltk's first window:
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if(grab && Frame::activeFrame()) {
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Window window = fl_xid(Frame::activeFrame());
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if(window &&
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XGrabPointer(fl_display,
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window,
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true, // owner_events
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ButtonPressMask|ButtonReleaseMask|
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ButtonMotionMask|PointerMotionMask,
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GrabModeSync, // pointer_mode
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GrabModeAsync, // keyboard_mode
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None, // confine_to
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cursor, // cursor
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fl_event_time) == GrabSuccess)
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{
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grab_ = true;
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XAllowEvents(fl_display, AsyncPointer, CurrentTime);
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} else {
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//printf("XGrabPointer failed\n");
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}
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}
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}
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bool grab() {
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return grab_;
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}
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