better mouse pointer handling, actualy makes sense now

[lyx.git] / src / WorkArea.C

diff --git a/src/WorkArea.C b/src/WorkArea.C
index 014f7378adcb92ce170f8d9620a0921f92c754fa..5b71a2a692279d6227a9c8c6d79680cda1df3fb4 100644 (file)
--- a/src/WorkArea.C
+++ b/src/WorkArea.C
@@ -22,8 +22,14 @@
 #include "support/lstrings.h"
 #include "BufferView.h"
 
+using std::endl;
+
 FL_OBJECT * figinset_canvas;
 
+// need to make the c++ compiler fint the correct version of abs.
+// This is at least true for g++.
+using std::abs;
+
 static inline
 void waitForX()
 {
@@ -64,10 +70,11 @@ WorkArea::WorkArea(BufferView * o, int xpos, int ypos, int width, int height)
        fl_freeze_all_forms();
 
        figinset_canvas = 0;
-       
-       lyxerr << "Creating work area: +"
-              << xpos << '+' << ypos << ' '
-              << width << 'x' << height << endl;
+
+       if (lyxerr.debugging())
+               lyxerr << "Creating work area: +"
+                      << xpos << '+' << ypos << ' '
+                      << width << 'x' << height << endl;
        //
        FL_OBJECT * obj;
        const int bw = int(abs(float(fl_get_border_width())));
@@ -81,9 +88,10 @@ WorkArea::WorkArea(BufferView * o, int xpos, int ypos, int width, int height)
        fl_set_object_gravity(obj, NorthWestGravity, NorthWestGravity);
        
        // a box
-       lyxerr << "\tbackground box: +"
-              << xpos << '+' << ypos << ' '
-              << width - 15 << 'x' << height << endl;
+       if (lyxerr.debugging())
+               lyxerr << "\tbackground box: +"
+                      << xpos << '+' << ypos << ' '
+                      << width - 15 << 'x' << height << endl;
        backgroundbox = obj = fl_add_box(FL_BORDER_BOX,
                                         xpos, ypos,
                                         width - 15,
@@ -98,9 +106,10 @@ WorkArea::WorkArea(BufferView * o, int xpos, int ypos, int width, int height)
        // up - scrollbar button
        fl_set_border_width(-1);
 
-       lyxerr << "\tup button: +"
-              << xpos + width - 15 << '+' << ypos << ' '
-              << 15 << 'x' << 15 << endl;
+       if (lyxerr.debugging())
+               lyxerr << "\tup button: +"
+                      << xpos + width - 15 << '+' << ypos << ' '
+                      << 15 << 'x' << 15 << endl;
        button_up = obj = fl_add_pixmapbutton(FL_TOUCH_BUTTON,
                                              xpos + width - 15,
                                              ypos,
@@ -118,9 +127,11 @@ WorkArea::WorkArea(BufferView * o, int xpos, int ypos, int width, int height)
 
        // the scrollbar slider
        fl_set_border_width(-bw);
-       lyxerr << "\tscrollbar slider: +"
-              << xpos + width - 15 << '+' << ypos + 15 << ' '
-              << 15 << 'x' << height - 30 << endl;
+
+       if (lyxerr.debugging())
+               lyxerr << "\tscrollbar slider: +"
+                      << xpos + width - 15 << '+' << ypos + 15 << ' '
+                      << 15 << 'x' << height - 30 << endl;
        scrollbar = obj = fl_add_slider(FL_VERT_SLIDER,
                                        xpos + width - 15,
                                        ypos + 15,
@@ -136,9 +147,11 @@ WorkArea::WorkArea(BufferView * o, int xpos, int ypos, int width, int height)
        // down - scrollbar button
        fl_set_border_width(-1);
 
-       lyxerr << "\tdown button: +"
-              << xpos + width - 15 << '+' << ypos + height - 15 << ' '
-              << 15 << 'x' << 15 << endl;
+       if (lyxerr.debugging())
+               lyxerr << "\tdown button: +"
+                      << xpos + width - 15 << '+'
+                      << ypos + height - 15 << ' '
+                      << 15 << 'x' << 15 << endl;
        button_down = obj = fl_add_pixmapbutton(FL_TOUCH_BUTTON,
                                                xpos + width - 15,
                                                ypos + height - 15,
@@ -167,9 +180,12 @@ WorkArea::WorkArea(BufferView * o, int xpos, int ypos, int width, int height)
        
        // We add this object as late as possible to avoit problems
        // with drawing.
-       lyxerr << "\tfree object: +"
-              << xpos + bw << '+' << ypos + bw << ' '
-              << width - 15 - 2 * bw << 'x' << height - 2 * bw << endl;
+       if (lyxerr.debugging())
+               lyxerr << "\tfree object: +"
+                      << xpos + bw << '+' << ypos + bw << ' '
+                      << width - 15 - 2 * bw << 'x'
+                      << height - 2 * bw << endl;
+       
        work_area = obj = fl_add_free(FL_INPUT_FREE,
                                      xpos + bw, ypos + bw,
                                      width - 15 - 2 * bw, // scrollbarwidth
@@ -193,6 +209,27 @@ WorkArea::~WorkArea()
 }
 
 
+bool WorkArea::belowMouse() const
+{
+       FL_Coord x, y;
+       unsigned int button;
+       fl_get_mouse(&x, &y, &button);
+       FL_Coord ulx = work_area->form->x + work_area->x;
+       FL_Coord uly = work_area->form->y + work_area->y;
+       FL_Coord w = work_area->w;
+       FL_Coord h = work_area->h;
+       if (x > ulx && y > uly && x < ulx + h && y < uly + w)
+               return true;
+       return false;
+       
+       
+       //lyxerr << "Mouse: (" << x << ", " << y <<") button = " << button << endl;
+       //lyxerr << "Workarea: (" << work_area->x + work_area->form->x << ", " << work_area->y + work_area->form->y << ", " << work_area->w << ", " << work_area->h << ")" << endl;
+       //lyxerr << "Below mouse: " << work_area->belowmouse << endl;
+       //return work_area->belowmouse;
+}
+
+
 void WorkArea::resize(int xpos, int ypos, int width, int height)
 {
        fl_freeze_all_forms();
@@ -245,15 +282,18 @@ void WorkArea::createPixmap(int width, int height)
 
        if (workareapixmap)
                XFreePixmap(fl_display, workareapixmap);
-       
-       lyxerr << "Creating pixmap (" << width << 'x' << height << ")" << endl;
+
+       if (lyxerr.debugging())
+               lyxerr << "Creating pixmap ("
+                      << width << 'x' << height << ")" << endl;
        
        workareapixmap = XCreatePixmap(fl_display,
                                       RootWindow(fl_display, 0),
                                       width,
                                       height, 
                                       fl_get_visual_depth());
-       lyxerr << "\tpixmap=" << workareapixmap << endl;
+       if (lyxerr.debugging())
+               lyxerr << "\tpixmap=" << workareapixmap << endl;
 }
 
 
@@ -328,8 +368,8 @@ void WorkArea::scroll_cb(FL_OBJECT * ob, long)
 bool Lgb_bug_find_hack = false;
 
 int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
-                                 FL_Coord, FL_Coord ,
-                                 int /*key*/, void * xev)
+                               FL_Coord, FL_Coord ,
+                               int /*key*/, void * xev)
 {
        static int x_old = -1;
        static int y_old = -1;
@@ -388,9 +428,11 @@ int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
                break;
        case FL_ENTER:
                lyxerr.debug() << "Workarea event: ENTER" << endl;
+               area->owner->enterView();
                break;
        case FL_LEAVE:
                lyxerr.debug() << "Workarea event: LEAVE" << endl;
+               area->owner->leaveView();
                break;
        case FL_DBLCLICK:
                if (!ev) break;
@@ -402,7 +444,7 @@ int WorkArea::work_area_handler(FL_OBJECT * ob, int event,
        case FL_TRPLCLICK:
                if (!ev) break;
                lyxerr.debug() << "Workarea event: TRPLCLICK" << endl;
-               area->owner->trippleClick(ev->xbutton.x - ob->x,
+               area->owner->tripleClick(ev->xbutton.x - ob->x,
                                         ev->xbutton.y - ob->y,
                                         ev->xbutton.button);
                break;