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extra-dependencies/debian/compiz-trinity/compiz-trinity-0.8.4/plugins/scale.c

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/*
* Copyright © 2005 Novell, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* Novell, Inc. not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
* Novell, Inc. makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* NOVELL, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL NOVELL, INC. BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: David Reveman <davidr@novell.com>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <sys/time.h>
#include <X11/Xatom.h>
#include <X11/cursorfont.h>
#include <compiz-scale.h>
#define EDGE_STATE (CompActionStateInitEdge)
#define WIN_X(w) ((w)->attrib.x - (w)->input.left)
#define WIN_Y(w) ((w)->attrib.y - (w)->input.top)
#define WIN_W(w) ((w)->width + (w)->input.left + (w)->input.right)
#define WIN_H(w) ((w)->height + (w)->input.top + (w)->input.bottom)
static CompMetadata scaleMetadata;
static int scaleDisplayPrivateIndex;
#define NUM_OPTIONS(s) (sizeof ((s)->opt) / sizeof (CompOption))
static CompOption *
scaleGetScreenOptions (CompPlugin *plugin,
CompScreen *screen,
int *count)
{
SCALE_SCREEN (screen);
*count = NUM_OPTIONS (ss);
return ss->opt;
}
static Bool
scaleSetScreenOption (CompPlugin *plugin,
CompScreen *screen,
const char *name,
CompOptionValue *value)
{
CompOption *o;
int index;
SCALE_SCREEN (screen);
o = compFindOption (ss->opt, NUM_OPTIONS (ss), name, &index);
if (!o)
return FALSE;
switch (index) {
case SCALE_SCREEN_OPTION_OPACITY:
if (compSetIntOption (o, value))
{
ss->opacity = (OPAQUE * o->value.i) / 100;
return TRUE;
}
break;
default:
return compSetScreenOption (screen, o, value);
}
return FALSE;
}
static Bool
isNeverScaleWin (CompWindow *w)
{
if (w->attrib.override_redirect)
return TRUE;
if (w->wmType & (CompWindowTypeDockMask | CompWindowTypeDesktopMask))
return TRUE;
return FALSE;
}
static Bool
isScaleWin (CompWindow *w)
{
SCALE_SCREEN (w->screen);
if (isNeverScaleWin (w))
return FALSE;
if (!ss->type || ss->type == ScaleTypeOutput)
{
if (!(*w->screen->focusWindow) (w))
return FALSE;
}
if (w->state & CompWindowStateSkipPagerMask)
return FALSE;
if (w->state & CompWindowStateShadedMask)
return FALSE;
if (!w->mapNum || w->attrib.map_state != IsViewable)
return FALSE;
switch (ss->type) {
case ScaleTypeGroup:
if (ss->clientLeader != w->clientLeader &&
ss->clientLeader != w->id)
return FALSE;
break;
case ScaleTypeOutput:
if (outputDeviceForWindow(w) != w->screen->currentOutputDev)
return FALSE;
default:
break;
}
if (!matchEval (ss->currentMatch, w))
return FALSE;
return TRUE;
}
static void
scaleActivateEvent (CompScreen *s,
Bool activating)
{
CompOption o[2];
o[0].type = CompOptionTypeInt;
o[0].name = "root";
o[0].value.i = s->root;
o[1].type = CompOptionTypeBool;
o[1].name = "active";
o[1].value.b = activating;
(*s->display->handleCompizEvent) (s->display, "scale", "activate", o, 2);
}
static void
scalePaintDecoration (CompWindow *w,
const WindowPaintAttrib *attrib,
const CompTransform *transform,
Region region,
unsigned int mask)
{
CompScreen *s = w->screen;
SCALE_SCREEN (s);
if (ss->opt[SCALE_SCREEN_OPTION_ICON].value.i != SCALE_ICON_NONE)
{
WindowPaintAttrib sAttrib = *attrib;
CompIcon *icon;
SCALE_WINDOW (w);
icon = getWindowIcon (w, 96, 96);
if (!icon)
icon = w->screen->defaultIcon;
if (icon && (icon->texture.name || iconToTexture (w->screen, icon)))
{
REGION iconReg;
float scale;
float x, y;
int width, height;
int scaledWinWidth, scaledWinHeight;
float ds;
scaledWinWidth = w->width * sw->scale;
scaledWinHeight = w->height * sw->scale;
switch (ss->opt[SCALE_SCREEN_OPTION_ICON].value.i) {
case SCALE_ICON_NONE:
case SCALE_ICON_EMBLEM:
scale = 1.0f;
break;
case SCALE_ICON_BIG:
default:
sAttrib.opacity /= 3;
scale = MIN (((float) scaledWinWidth / icon->width),
((float) scaledWinHeight / icon->height));
break;
}
width = icon->width * scale;
height = icon->height * scale;
switch (ss->opt[SCALE_SCREEN_OPTION_ICON].value.i) {
case SCALE_ICON_NONE:
case SCALE_ICON_EMBLEM:
x = w->attrib.x + scaledWinWidth - icon->width;
y = w->attrib.y + scaledWinHeight - icon->height;
break;
case SCALE_ICON_BIG:
default:
x = w->attrib.x + scaledWinWidth / 2 - width / 2;
y = w->attrib.y + scaledWinHeight / 2 - height / 2;
break;
}
x += sw->tx;
y += sw->ty;
if (sw->slot)
{
sw->delta =
fabs (sw->slot->x1 - w->attrib.x) +
fabs (sw->slot->y1 - w->attrib.y) +
fabs (1.0f - sw->slot->scale) * 500.0f;
}
if (sw->delta)
{
float o;
ds =
fabs (sw->tx) +
fabs (sw->ty) +
fabs (1.0f - sw->scale) * 500.0f;
if (ds > sw->delta)
ds = sw->delta;
o = ds / sw->delta;
if (sw->slot)
{
if (o < sw->lastThumbOpacity)
o = sw->lastThumbOpacity;
}
else
{
if (o > sw->lastThumbOpacity)
o = 0.0f;
}
sw->lastThumbOpacity = o;
sAttrib.opacity = sAttrib.opacity * o;
}
mask |= PAINT_WINDOW_BLEND_MASK;
iconReg.rects = &iconReg.extents;
iconReg.numRects = 1;
iconReg.extents.x1 = 0;
iconReg.extents.y1 = 0;
iconReg.extents.x2 = iconReg.extents.x1 + width;
iconReg.extents.y2 = iconReg.extents.y1 + height;
w->vCount = w->indexCount = 0;
if (iconReg.extents.x1 < iconReg.extents.x2 &&
iconReg.extents.y1 < iconReg.extents.y2)
(*w->screen->addWindowGeometry) (w,
&icon->texture.matrix, 1,
&iconReg, &iconReg);
if (w->vCount)
{
FragmentAttrib fragment;
CompTransform wTransform = *transform;
initFragmentAttrib (&fragment, &sAttrib);
matrixScale (&wTransform, scale, scale, 1.0f);
matrixTranslate (&wTransform, x / scale, y / scale, 0.0f);
glPushMatrix ();
glLoadMatrixf (wTransform.m);
(*w->screen->drawWindowTexture) (w,
&icon->texture, &fragment,
mask);
glPopMatrix ();
}
}
}
}
static Bool
setScaledPaintAttributes (CompWindow *w,
WindowPaintAttrib *attrib)
{
Bool drawScaled = FALSE;
SCALE_SCREEN (w->screen);
SCALE_WINDOW (w);
if (sw->adjust || sw->slot)
{
SCALE_DISPLAY (w->screen->display);
if (w->id != sd->selectedWindow &&
ss->opacity != OPAQUE &&
ss->state != SCALE_STATE_IN)
{
/* modify opacity of windows that are not active */
attrib->opacity = (attrib->opacity * ss->opacity) >> 16;
}
drawScaled = TRUE;
}
else if (ss->state != SCALE_STATE_IN)
{
if (ss->opt[SCALE_SCREEN_OPTION_DARKEN_BACK].value.b)
{
/* modify brightness of the other windows */
attrib->brightness = attrib->brightness / 2;
}
/* hide windows on the outputs used for scaling
that are not in scale mode */
if (!isNeverScaleWin (w))
{
int moMode;
moMode = ss->opt[SCALE_SCREEN_OPTION_MULTIOUTPUT_MODE].value.i;
switch (moMode) {
case SCALE_MOMODE_CURRENT:
if (outputDeviceForWindow (w) == w->screen->currentOutputDev)
attrib->opacity = 0;
break;
default:
attrib->opacity = 0;
break;
}
}
}
return drawScaled;
}
static Bool
scalePaintWindow (CompWindow *w,
const WindowPaintAttrib *attrib,
const CompTransform *transform,
Region region,
unsigned int mask)
{
CompScreen *s = w->screen;
Bool status;
SCALE_SCREEN (s);
if (ss->state != SCALE_STATE_NONE)
{
WindowPaintAttrib sAttrib = *attrib;
Bool scaled;
SCALE_WINDOW (w);
scaled = (*ss->setScaledPaintAttributes) (w, &sAttrib);
if (sw->adjust || sw->slot)
mask |= PAINT_WINDOW_NO_CORE_INSTANCE_MASK;
UNWRAP (ss, s, paintWindow);
status = (*s->paintWindow) (w, &sAttrib, transform, region, mask);
WRAP (ss, s, paintWindow, scalePaintWindow);
if (scaled)
{
FragmentAttrib fragment;
CompTransform wTransform = *transform;
if (mask & PAINT_WINDOW_OCCLUSION_DETECTION_MASK)
return FALSE;
initFragmentAttrib (&fragment, &w->lastPaint);
if (w->alpha || fragment.opacity != OPAQUE)
mask |= PAINT_WINDOW_TRANSLUCENT_MASK;
matrixTranslate (&wTransform, w->attrib.x, w->attrib.y, 0.0f);
matrixScale (&wTransform, sw->scale, sw->scale, 1.0f);
matrixTranslate (&wTransform,
sw->tx / sw->scale - w->attrib.x,
sw->ty / sw->scale - w->attrib.y,
0.0f);
glPushMatrix ();
glLoadMatrixf (wTransform.m);
(*s->drawWindow) (w, &wTransform, &fragment, region,
mask | PAINT_WINDOW_TRANSFORMED_MASK);
glPopMatrix ();
(*ss->scalePaintDecoration) (w, &sAttrib, transform, region, mask);
}
}
else
{
UNWRAP (ss, s, paintWindow);
status = (*s->paintWindow) (w, attrib, transform, region, mask);
WRAP (ss, s, paintWindow, scalePaintWindow);
}
return status;
}
static int
compareWindowsDistance (const void *elem1,
const void *elem2)
{
CompWindow *w1 = *((CompWindow **) elem1);
CompWindow *w2 = *((CompWindow **) elem2);
SCALE_SCREEN (w1->screen);
return
GET_SCALE_WINDOW (w1, ss)->distance -
GET_SCALE_WINDOW (w2, ss)->distance;
}
static void
layoutSlotsForArea (CompScreen *s,
XRectangle workArea,
int nWindows)
{
int i, j;
int x, y, width, height;
int lines, n, nSlots;
int spacing;
SCALE_SCREEN (s);
if (!nWindows)
return;
lines = sqrt (nWindows + 1);
spacing = ss->opt[SCALE_SCREEN_OPTION_SPACING].value.i;
nSlots = 0;
y = workArea.y + spacing;
height = (workArea.height - (lines + 1) * spacing) / lines;
for (i = 0; i < lines; i++)
{
n = MIN (nWindows - nSlots,
ceilf ((float)nWindows / lines));
x = workArea.x + spacing;
width = (workArea.width - (n + 1) * spacing) / n;
for (j = 0; j < n; j++)
{
ss->slots[ss->nSlots].x1 = x;
ss->slots[ss->nSlots].y1 = y;
ss->slots[ss->nSlots].x2 = x + width;
ss->slots[ss->nSlots].y2 = y + height;
ss->slots[ss->nSlots].filled = FALSE;
x += width + spacing;
ss->nSlots++;
nSlots++;
}
y += height + spacing;
}
}
static SlotArea *
getSlotAreas (CompScreen *s)
{
int i;
XRectangle workArea;
float *size;
float sizePerWindow, sum = 0.0f;
int left;
SlotArea *slotAreas;
SCALE_SCREEN (s);
size = malloc (s->nOutputDev * sizeof (int));
if (!size)
return NULL;
slotAreas = malloc (s->nOutputDev * sizeof (SlotArea));
if (!slotAreas)
{
free (size);
return NULL;
}
left = ss->nWindows;
for (i = 0; i < s->nOutputDev; i++)
{
/* determine the size of the workarea for each output device */
workArea = s->outputDev[i].workArea;
size[i] = workArea.width * workArea.height;
sum += size[i];
slotAreas[i].nWindows = 0;
slotAreas[i].workArea = workArea;
}
/* calculate size available for each window */
sizePerWindow = sum / ss->nWindows;
for (i = 0; i < s->nOutputDev && left; i++)
{
/* fill the areas with windows */
int nw = floor (size[i] / sizePerWindow);
nw = MIN (nw, left);
size[i] -= nw * sizePerWindow;
slotAreas[i].nWindows = nw;
left -= nw;
}
/* add left windows to output devices with the biggest free space */
while (left > 0)
{
int num = 0;
float big = 0;
for (i = 0; i < s->nOutputDev; i++)
{
if (size[i] > big)
{
num = i;
big = size[i];
}
}
size[num] -= sizePerWindow;
slotAreas[num].nWindows++;
left--;
}
free (size);
return slotAreas;
}
static void
layoutSlots (CompScreen *s)
{
int i;
int moMode;
SCALE_SCREEN (s);
moMode = ss->opt[SCALE_SCREEN_OPTION_MULTIOUTPUT_MODE].value.i;
/* if we have only one head, we don't need the
additional effort of the all outputs mode */
if (s->nOutputDev == 1)
moMode = SCALE_MOMODE_CURRENT;
ss->nSlots = 0;
switch (moMode)
{
case SCALE_MOMODE_ALL:
{
SlotArea *slotAreas;
slotAreas = getSlotAreas (s);
if (slotAreas)
{
for (i = 0; i < s->nOutputDev; i++)
layoutSlotsForArea (s,
slotAreas[i].workArea,
slotAreas[i].nWindows);
free (slotAreas);
}
}
break;
case SCALE_MOMODE_CURRENT:
default:
{
XRectangle workArea;
workArea = s->outputDev[s->currentOutputDev].workArea;
layoutSlotsForArea (s, workArea, ss->nWindows);
}
break;
}
}
static void
findBestSlots (CompScreen *s)
{
CompWindow *w;
int i, j, d, d0 = 0;
float sx, sy, cx, cy;
SCALE_SCREEN (s);
for (i = 0; i < ss->nWindows; i++)
{
w = ss->windows[i];
SCALE_WINDOW (w);
if (sw->slot)
continue;
sw->sid = 0;
sw->distance = MAXSHORT;
for (j = 0; j < ss->nSlots; j++)
{
if (!ss->slots[j].filled)
{
sx = (ss->slots[j].x2 + ss->slots[j].x1) / 2;
sy = (ss->slots[j].y2 + ss->slots[j].y1) / 2;
cx = w->serverX + w->width / 2;
cy = w->serverY + w->height / 2;
cx -= sx;
cy -= sy;
d = sqrt (cx * cx + cy * cy);
if (d0 + d < sw->distance)
{
sw->sid = j;
sw->distance = d0 + d;
}
}
}
d0 += sw->distance;
}
}
static Bool
fillInWindows (CompScreen *s)
{
CompWindow *w;
int i, width, height;
float sx, sy, cx, cy;
SCALE_SCREEN (s);
for (i = 0; i < ss->nWindows; i++)
{
w = ss->windows[i];
SCALE_WINDOW (w);
if (!sw->slot)
{
if (ss->slots[sw->sid].filled)
return TRUE;
sw->slot = &ss->slots[sw->sid];
width = w->width + w->input.left + w->input.right;
height = w->height + w->input.top + w->input.bottom;
sx = (float) (sw->slot->x2 - sw->slot->x1) / width;
sy = (float) (sw->slot->y2 - sw->slot->y1) / height;
sw->slot->scale = MIN (MIN (sx, sy), 1.0f);
sx = width * sw->slot->scale;
sy = height * sw->slot->scale;
cx = (sw->slot->x1 + sw->slot->x2) / 2;
cy = (sw->slot->y1 + sw->slot->y2) / 2;
cx += w->input.left * sw->slot->scale;
cy += w->input.top * sw->slot->scale;
sw->slot->x1 = cx - sx / 2;
sw->slot->y1 = cy - sy / 2;
sw->slot->x2 = cx + sx / 2;
sw->slot->y2 = cy + sy / 2;
sw->slot->filled = TRUE;
sw->lastThumbOpacity = 0.0f;
sw->adjust = TRUE;
}
}
return FALSE;
}
static Bool
layoutSlotsAndAssignWindows (CompScreen *s)
{
SCALE_SCREEN (s);
/* create a grid of slots */
layoutSlots (s);
do
{
/* find most appropriate slots for windows */
findBestSlots (s);
/* sort windows, window with closest distance to a slot first */
qsort (ss->windows, ss->nWindows, sizeof (CompWindow *),
compareWindowsDistance);
} while (fillInWindows (s));
return TRUE;
}
static Bool
layoutThumbs (CompScreen *s)
{
CompWindow *w;
SCALE_SCREEN (s);
ss->nWindows = 0;
/* add windows scale list, top most window first */
for (w = s->reverseWindows; w; w = w->prev)
{
SCALE_WINDOW (w);
if (sw->slot)
sw->adjust = TRUE;
sw->slot = 0;
if (!isScaleWin (w))
continue;
if (ss->windowsSize <= ss->nWindows)
{
ss->windows = realloc (ss->windows,
sizeof (CompWindow *) * (ss->nWindows + 32));
if (!ss->windows)
return FALSE;
ss->windowsSize = ss->nWindows + 32;
}
ss->windows[ss->nWindows++] = w;
}
if (ss->nWindows == 0)
return FALSE;
if (ss->slotsSize < ss->nWindows)
{
ss->slots = realloc (ss->slots, sizeof (ScaleSlot) * ss->nWindows);
if (!ss->slots)
return FALSE;
ss->slotsSize = ss->nWindows;
}
return (*ss->layoutSlotsAndAssignWindows) (s);
}
static int
adjustScaleVelocity (CompWindow *w)
{
float dx, dy, ds, adjust, amount;
float x1, y1, scale;
SCALE_WINDOW (w);
if (sw->slot)
{
x1 = sw->slot->x1;
y1 = sw->slot->y1;
scale = sw->slot->scale;
}
else
{
x1 = w->attrib.x;
y1 = w->attrib.y;
scale = 1.0f;
}
dx = x1 - (w->attrib.x + sw->tx);
adjust = dx * 0.15f;
amount = fabs (dx) * 1.5f;
if (amount < 0.5f)
amount = 0.5f;
else if (amount > 5.0f)
amount = 5.0f;
sw->xVelocity = (amount * sw->xVelocity + adjust) / (amount + 1.0f);
dy = y1 - (w->attrib.y + sw->ty);
adjust = dy * 0.15f;
amount = fabs (dy) * 1.5f;
if (amount < 0.5f)
amount = 0.5f;
else if (amount > 5.0f)
amount = 5.0f;
sw->yVelocity = (amount * sw->yVelocity + adjust) / (amount + 1.0f);
ds = scale - sw->scale;
adjust = ds * 0.1f;
amount = fabs (ds) * 7.0f;
if (amount < 0.01f)
amount = 0.01f;
else if (amount > 0.15f)
amount = 0.15f;
sw->scaleVelocity = (amount * sw->scaleVelocity + adjust) /
(amount + 1.0f);
if (fabs (dx) < 0.1f && fabs (sw->xVelocity) < 0.2f &&
fabs (dy) < 0.1f && fabs (sw->yVelocity) < 0.2f &&
fabs (ds) < 0.001f && fabs (sw->scaleVelocity) < 0.002f)
{
sw->xVelocity = sw->yVelocity = sw->scaleVelocity = 0.0f;
sw->tx = x1 - w->attrib.x;
sw->ty = y1 - w->attrib.y;
sw->scale = scale;
return 0;
}
return 1;
}
static Bool
scalePaintOutput (CompScreen *s,
const ScreenPaintAttrib *sAttrib,
const CompTransform *transform,
Region region,
CompOutput *output,
unsigned int mask)
{
Bool status;
SCALE_SCREEN (s);
if (ss->state != SCALE_STATE_NONE)
mask |= PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS_MASK;
UNWRAP (ss, s, paintOutput);
status = (*s->paintOutput) (s, sAttrib, transform, region, output, mask);
WRAP (ss, s, paintOutput, scalePaintOutput);
return status;
}
static void
scalePreparePaintScreen (CompScreen *s,
int msSinceLastPaint)
{
SCALE_SCREEN (s);
if (ss->state != SCALE_STATE_NONE && ss->state != SCALE_STATE_WAIT)
{
CompWindow *w;
int steps;
float amount, chunk;
amount = msSinceLastPaint * 0.05f *
ss->opt[SCALE_SCREEN_OPTION_SPEED].value.f;
steps = amount /
(0.5f * ss->opt[SCALE_SCREEN_OPTION_TIMESTEP].value.f);
if (!steps) steps = 1;
chunk = amount / (float) steps;
while (steps--)
{
ss->moreAdjust = 0;
for (w = s->windows; w; w = w->next)
{
SCALE_WINDOW (w);
if (sw->adjust)
{
sw->adjust = adjustScaleVelocity (w);
ss->moreAdjust |= sw->adjust;
sw->tx += sw->xVelocity * chunk;
sw->ty += sw->yVelocity * chunk;
sw->scale += sw->scaleVelocity * chunk;
}
}
if (!ss->moreAdjust)
break;
}
}
UNWRAP (ss, s, preparePaintScreen);
(*s->preparePaintScreen) (s, msSinceLastPaint);
WRAP (ss, s, preparePaintScreen, scalePreparePaintScreen);
}
static void
scaleDonePaintScreen (CompScreen *s)
{
SCALE_SCREEN (s);
if (ss->state != SCALE_STATE_NONE)
{
if (ss->moreAdjust)
{
damageScreen (s);
}
else
{
if (ss->state == SCALE_STATE_IN)
{
/* The FALSE activate event is sent when scale state
goes back to normal, to avoid animation conflicts
with other plugins. */
scaleActivateEvent (s, FALSE);
ss->state = SCALE_STATE_NONE;
}
else if (ss->state == SCALE_STATE_OUT)
ss->state = SCALE_STATE_WAIT;
}
}
UNWRAP (ss, s, donePaintScreen);
(*s->donePaintScreen) (s);
WRAP (ss, s, donePaintScreen, scaleDonePaintScreen);
}
static CompWindow *
scaleCheckForWindowAt (CompScreen *s,
int x,
int y)
{
int x1, y1, x2, y2;
CompWindow *w;
for (w = s->reverseWindows; w; w = w->prev)
{
SCALE_WINDOW (w);
if (sw->slot)
{
x1 = w->attrib.x - w->input.left * sw->scale;
y1 = w->attrib.y - w->input.top * sw->scale;
x2 = w->attrib.x + (w->width + w->input.right) * sw->scale;
y2 = w->attrib.y + (w->height + w->input.bottom) * sw->scale;
x1 += sw->tx;
y1 += sw->ty;
x2 += sw->tx;
y2 += sw->ty;
if (x1 <= x && y1 <= y && x2 > x && y2 > y)
return w;
}
}
return 0;
}
static void
sendDndStatusMessage (CompScreen *s,
Window source)
{
XEvent xev;
SCALE_SCREEN (s);
xev.xclient.type = ClientMessage;
xev.xclient.display = s->display->display;
xev.xclient.format = 32;
xev.xclient.message_type = s->display->xdndStatusAtom;
xev.xclient.window = source;
xev.xclient.data.l[0] = ss->dndTarget;
xev.xclient.data.l[1] = 2;
xev.xclient.data.l[2] = 0;
xev.xclient.data.l[3] = 0;
xev.xclient.data.l[4] = None;
XSendEvent (s->display->display, source, FALSE, 0, &xev);
}
static Bool
scaleActionShouldToggle (CompDisplay *d,
CompAction *action,
CompActionState state)
{
SCALE_DISPLAY (d);
if (state & EDGE_STATE)
return TRUE;
if (state & (CompActionStateInitKey | CompActionStateTermKey))
{
if (sd->opt[SCALE_DISPLAY_OPTION_KEY_BINDINGS_TOGGLE].value.b)
return TRUE;
else if (!action->key.modifiers)
return TRUE;
}
if (state & (CompActionStateInitButton | CompActionStateTermButton))
if (sd->opt[SCALE_DISPLAY_OPTION_BUTTON_BINDINGS_TOGGLE].value.b)
return TRUE;
return FALSE;
}
static Bool
scaleTerminate (CompDisplay *d,
CompAction *action,
CompActionState state,
CompOption *option,
int nOption)
{
CompScreen *s;
Window xid;
SCALE_DISPLAY (d);
if (!scaleActionShouldToggle (d, action, state))
{
xid = getIntOptionNamed (option, nOption, "root", 0);
for (s = d->screens; s; s = s->next)
{
SCALE_SCREEN (s);
if (xid && s->root != xid)
continue;
if (!ss->grab)
continue;
if (ss->grabIndex)
{
removeScreenGrab (s, ss->grabIndex, 0);
ss->grabIndex = 0;
}
if (ss->dndTarget)
XUnmapWindow (d->display, ss->dndTarget);
ss->grab = FALSE;
if (ss->state != SCALE_STATE_NONE)
{
CompWindow *w;
for (w = s->windows; w; w = w->next)
{
SCALE_WINDOW (w);
if (sw->slot)
{
sw->slot = 0;
sw->adjust = TRUE;
}
}
if (state & CompActionStateCancel)
{
if (d->activeWindow != sd->previousActiveWindow)
{
w = findWindowAtScreen (s, sd->previousActiveWindow);
if (w)
moveInputFocusToWindow (w);
}
}
else if (ss->state != SCALE_STATE_IN)
{
w = findWindowAtScreen (s, sd->selectedWindow);
if (w)
(*s->activateWindow) (w);
}
ss->state = SCALE_STATE_IN;
damageScreen (s);
}
sd->lastActiveNum = 0;
}
}
action->state &= ~(CompActionStateTermKey | CompActionStateTermButton);
return FALSE;
}
static Bool
scaleEnsureDndRedirectWindow (CompScreen *s)
{
SCALE_SCREEN (s);
if (!ss->dndTarget)
{
XSetWindowAttributes attr;
long xdndVersion = 3;
attr.override_redirect = TRUE;
ss->dndTarget = XCreateWindow (s->display->display,
s->root,
0, 0, 1, 1, 0,
CopyFromParent,
InputOnly,
CopyFromParent,
CWOverrideRedirect, &attr);
XChangeProperty (s->display->display, ss->dndTarget,
s->display->xdndAwareAtom,
XA_ATOM, 32, PropModeReplace,
(unsigned char *) &xdndVersion, 1);
}
XMoveResizeWindow (s->display->display, ss->dndTarget,
0, 0, s->width, s->height);
XMapRaised (s->display->display, ss->dndTarget);
return TRUE;
}
static Bool
scaleInitiateCommon (CompScreen *s,
CompAction *action,
CompActionState state,
CompOption *option,
int nOption)
{
CompMatch *match;
SCALE_DISPLAY (s->display);
SCALE_SCREEN (s);
if (otherScreenGrabExist (s, "scale", NULL))
return FALSE;
ss->currentMatch = &ss->opt[SCALE_SCREEN_OPTION_WINDOW_MATCH].value.match;
match = getMatchOptionNamed (option, nOption, "match", NULL);
if (match)
{
matchFini (&ss->match);
matchInit (&ss->match);
if (matchCopy (&ss->match, match))
{
matchUpdate (s->display, &ss->match);
ss->currentMatch = &ss->match;
}
}
if (!layoutThumbs (s))
return FALSE;
if (state & CompActionStateInitEdgeDnd)
{
if (scaleEnsureDndRedirectWindow (s))
ss->grab = TRUE;
}
else if (!ss->grabIndex)
{
ss->grabIndex = pushScreenGrab (s, ss->cursor, "scale");
if (ss->grabIndex)
ss->grab = TRUE;
}
if (ss->grab)
{
if (!sd->lastActiveNum)
sd->lastActiveNum = s->activeNum - 1;
sd->previousActiveWindow = s->display->activeWindow;
sd->lastActiveWindow = s->display->activeWindow;
sd->selectedWindow = s->display->activeWindow;
sd->hoveredWindow = None;
ss->state = SCALE_STATE_OUT;
scaleActivateEvent (s, TRUE);
damageScreen (s);
}
if ((state & (CompActionStateInitButton | EDGE_STATE)) ==
CompActionStateInitButton)
{
action->state |= CompActionStateTermButton;
}
if (state & CompActionStateInitKey)
action->state |= CompActionStateTermKey;
return FALSE;
}
static Bool
scaleInitiate (CompDisplay *d,
CompAction *action,
CompActionState state,
CompOption *option,
int nOption)
{
CompScreen *s;
Window xid;
xid = getIntOptionNamed (option, nOption, "root", 0);
s = findScreenAtDisplay (d, xid);
if (s)
{
SCALE_SCREEN (s);
if (ss->state != SCALE_STATE_WAIT && ss->state != SCALE_STATE_OUT)
{
ss->type = ScaleTypeNormal;
return scaleInitiateCommon (s, action, state, option, nOption);
}
else if (scaleActionShouldToggle (d, action, state))
{
if (ss->type == ScaleTypeNormal)
return scaleTerminate (s->display, action,
CompActionStateCancel, option, nOption);
}
}
return FALSE;
}
static Bool
scaleInitiateAll (CompDisplay *d,
CompAction *action,
CompActionState state,
CompOption *option,
int nOption)
{
CompScreen *s;
Window xid;
xid = getIntOptionNamed (option, nOption, "root", 0);
s = findScreenAtDisplay (d, xid);
if (s)
{
SCALE_SCREEN (s);
if (ss->state != SCALE_STATE_WAIT && ss->state != SCALE_STATE_OUT)
{
ss->type = ScaleTypeAll;
return scaleInitiateCommon (s, action, state, option, nOption);
}
else if (scaleActionShouldToggle (d, action, state))
{
if (ss->type == ScaleTypeAll)
return scaleTerminate (s->display, action,
CompActionStateCancel, option, nOption);
}
}
return FALSE;
}
static Bool
scaleInitiateGroup (CompDisplay *d,
CompAction *action,
CompActionState state,
CompOption *option,
int nOption)
{
CompScreen *s;
Window xid;
xid = getIntOptionNamed (option, nOption, "root", 0);
s = findScreenAtDisplay (d, xid);
if (s)
{
SCALE_SCREEN (s);
if (ss->state != SCALE_STATE_WAIT && ss->state != SCALE_STATE_OUT)
{
CompWindow *w;
w = findWindowAtDisplay (d, getIntOptionNamed (option, nOption,
"window", 0));
if (w)
{
ss->type = ScaleTypeGroup;
ss->clientLeader = (w->clientLeader) ? w->clientLeader : w->id;
return scaleInitiateCommon (s, action, state, option, nOption);
}
}
else if (scaleActionShouldToggle (d, action, state))
{
if (ss->type == ScaleTypeGroup)
return scaleTerminate (s->display, action,
CompActionStateCancel, option, nOption);
}
}
return FALSE;
}
static Bool
scaleInitiateOutput (CompDisplay *d,
CompAction *action,
CompActionState state,
CompOption *option,
int nOption)
{
CompScreen *s;
Window xid;
xid = getIntOptionNamed (option, nOption, "root", 0);
s = findScreenAtDisplay (d, xid);
if (s)
{
SCALE_SCREEN (s);
if (ss->state != SCALE_STATE_WAIT && ss->state != SCALE_STATE_OUT)
{
ss->type = ScaleTypeOutput;
return scaleInitiateCommon (s, action, state, option, nOption);
}
else if (scaleActionShouldToggle (d, action, state))
{
if (ss->type == ScaleTypeOutput)
return scaleTerminate (s->display, action,
CompActionStateCancel, option, nOption);
}
}
return FALSE;
}
static void
scaleSelectWindow (CompWindow *w)
{
SCALE_DISPLAY (w->screen->display);
if (sd->selectedWindow != w->id)
{
CompWindow *old, *new;
old = findWindowAtScreen (w->screen, sd->selectedWindow);
new = findWindowAtScreen (w->screen, w->id);
sd->selectedWindow = w->id;
if (old)
addWindowDamage (old);
if (new)
addWindowDamage (new);
}
}
static Bool
scaleSelectWindowAt (CompScreen *s,
int x,
int y,
Bool moveInputFocus)
{
CompWindow *w;
SCALE_DISPLAY (s->display);
w = scaleCheckForWindowAt (s, x, y);
if (w && isScaleWin (w))
{
SCALE_SCREEN (s);
(*ss->selectWindow) (w);
if (moveInputFocus)
{
sd->lastActiveNum = w->activeNum;
sd->lastActiveWindow = w->id;
moveInputFocusToWindow (w);
}
sd->hoveredWindow = w->id;
return TRUE;
}
sd->hoveredWindow = None;
return FALSE;
}
static void
scaleMoveFocusWindow (CompScreen *s,
int dx,
int dy)
{
CompWindow *active;
CompWindow *focus = NULL;
active = findWindowAtScreen (s, s->display->activeWindow);
if (active)
{
SCALE_WINDOW (active);
if (sw->slot)
{
SCALE_SCREEN (s);
CompWindow *w;
ScaleSlot *slot;
int x, y, cx, cy, d, min = MAXSHORT;
cx = (sw->slot->x1 + sw->slot->x2) / 2;
cy = (sw->slot->y1 + sw->slot->y2) / 2;
for (w = s->windows; w; w = w->next)
{
slot = GET_SCALE_WINDOW (w, ss)->slot;
if (!slot)
continue;
x = (slot->x1 + slot->x2) / 2;
y = (slot->y1 + slot->y2) / 2;
d = abs (x - cx) + abs (y - cy);
if (d < min)
{
if ((dx > 0 && slot->x1 < sw->slot->x2) ||
(dx < 0 && slot->x2 > sw->slot->x1) ||
(dy > 0 && slot->y1 < sw->slot->y2) ||
(dy < 0 && slot->y2 > sw->slot->y1))
continue;
min = d;
focus = w;
}
}
}
}
/* move focus to the last focused window if no slot window is currently
focused */
if (!focus)
{
CompWindow *w;
SCALE_SCREEN (s);
for (w = s->windows; w; w = w->next)
{
if (!GET_SCALE_WINDOW (w, ss)->slot)
continue;
if (!focus || focus->activeNum < w->activeNum)
focus = w;
}
}
if (focus)
{
SCALE_DISPLAY (s->display);
SCALE_SCREEN (s);
(*ss->selectWindow) (focus);
sd->lastActiveNum = focus->activeNum;
sd->lastActiveWindow = focus->id;
moveInputFocusToWindow (focus);
}
}
static Bool
scaleRelayoutSlots (CompDisplay *d,
CompAction *action,
CompActionState state,
CompOption *option,
int nOption)
{
CompScreen *s;
Window xid;
xid = getIntOptionNamed (option, nOption, "root", 0);
s = findScreenAtDisplay (d, xid);
if (s)
{
SCALE_SCREEN (s);
if (ss->state != SCALE_STATE_NONE && ss->state != SCALE_STATE_IN)
{
if (layoutThumbs (s))
{
ss->state = SCALE_STATE_OUT;
scaleMoveFocusWindow (s, 0, 0);
damageScreen (s);
}
}
return TRUE;
}
return FALSE;
}
static void
scaleWindowRemove (CompDisplay *d,
CompWindow *w)
{
if (w)
{
SCALE_SCREEN (w->screen);
if (ss->state != SCALE_STATE_NONE && ss->state != SCALE_STATE_IN)
{
int i;
for (i = 0; i < ss->nWindows; i++)
{
if (ss->windows[i] == w)
{
if (layoutThumbs (w->screen))
{
ss->state = SCALE_STATE_OUT;
damageScreen (w->screen);
break;
}
else
{
CompOption o;
CompAction *action;
int opt;
SCALE_DISPLAY (d);
/* terminate scale mode if the recently closed
* window was the last scaled window */
o.type = CompOptionTypeInt;
o.name = "root";
o.value.i = w->screen->root;
opt = SCALE_DISPLAY_OPTION_INITIATE_EDGE;
action = &sd->opt[opt].value.action;
scaleTerminate (d, action,
CompActionStateCancel, &o, 1);
opt = SCALE_DISPLAY_OPTION_INITIATE_KEY;
action = &sd->opt[opt].value.action;
scaleTerminate (d, action,
CompActionStateCancel, &o, 1);
break;
}
}
}
}
}
}
static Bool
scaleHoverTimeout (void *closure)
{
CompScreen *s = closure;
SCALE_SCREEN (s);
SCALE_DISPLAY (s->display);
if (ss->grab && ss->state != SCALE_STATE_IN)
{
CompWindow *w;
CompOption o;
int option;
w = findWindowAtDisplay (s->display, sd->selectedWindow);
if (w)
{
sd->lastActiveNum = w->activeNum;
sd->lastActiveWindow = w->id;
moveInputFocusToWindow (w);
}
o.type = CompOptionTypeInt;
o.name = "root";
o.value.i = s->root;
option = SCALE_DISPLAY_OPTION_INITIATE_EDGE;
scaleTerminate (s->display, &sd->opt[option].value.action, 0, &o, 1);
option = SCALE_DISPLAY_OPTION_INITIATE_KEY;
scaleTerminate (s->display, &sd->opt[option].value.action, 0, &o, 1);
}
ss->hoverHandle = 0;
return FALSE;
}
static void
scaleHandleEvent (CompDisplay *d,
XEvent *event)
{
CompScreen *s;
Bool consumeEvent = FALSE;
CompWindow *w = NULL;
SCALE_DISPLAY (d);
switch (event->type) {
case KeyPress:
s = findScreenAtDisplay (d, event->xkey.root);
if (s)
{
SCALE_SCREEN (s);
if (ss->grabIndex)
{
if (event->xkey.keycode == sd->leftKeyCode)
{
scaleMoveFocusWindow (s, -1, 0);
consumeEvent = TRUE;
}
else if (event->xkey.keycode == sd->rightKeyCode)
{
scaleMoveFocusWindow (s, 1, 0);
consumeEvent = TRUE;
}
else if (event->xkey.keycode == sd->upKeyCode)
{
scaleMoveFocusWindow (s, 0, -1);
consumeEvent = TRUE;
}
else if (event->xkey.keycode == sd->downKeyCode)
{
scaleMoveFocusWindow (s, 0, 1);
consumeEvent = TRUE;
}
}
}
break;
case ButtonPress:
if (event->xbutton.button == Button1)
{
s = findScreenAtDisplay (d, event->xbutton.root);
if (s)
{
int option;
SCALE_SCREEN (s);
if (ss->grabIndex && ss->state != SCALE_STATE_IN)
{
CompOption o;
o.type = CompOptionTypeInt;
o.name = "root";
o.value.i = s->root;
if (scaleSelectWindowAt (s,
event->xbutton.x_root,
event->xbutton.y_root,
TRUE))
{
option = SCALE_DISPLAY_OPTION_INITIATE_EDGE;
scaleTerminate (s->display,
&sd->opt[option].value.action,
0, &o, 1);
option = SCALE_DISPLAY_OPTION_INITIATE_KEY;
scaleTerminate (s->display,
&sd->opt[option].value.action,
0, &o, 1);
}
else if (event->xbutton.x_root > s->workArea.x &&
event->xbutton.x_root < (s->workArea.x +
s->workArea.width) &&
event->xbutton.y_root > s->workArea.y &&
event->xbutton.y_root < (s->workArea.y +
s->workArea.height))
{
if (sd->opt[SCALE_DISPLAY_OPTION_SHOW_DESKTOP].value.b)
{
option = SCALE_DISPLAY_OPTION_INITIATE_EDGE;
scaleTerminate (s->display,
&sd->opt[option].value.action,
0, &o, 1);
option = SCALE_DISPLAY_OPTION_INITIATE_KEY;
scaleTerminate (s->display,
&sd->opt[option].value.action,
0, &o, 1);
(*s->enterShowDesktopMode) (s);
}
}
}
}
}
break;
case MotionNotify:
s = findScreenAtDisplay (d, event->xmotion.root);
if (s)
{
SCALE_SCREEN (s);
if (ss->grabIndex && ss->state != SCALE_STATE_IN)
{
Bool focus;
focus = !d->opt[COMP_DISPLAY_OPTION_CLICK_TO_FOCUS].value.b;
scaleSelectWindowAt (s,
event->xmotion.x_root,
event->xmotion.y_root,
focus);
}
}
break;
case DestroyNotify:
/* We need to get the CompWindow * for event->xdestroywindow.window
here because in the (*d->handleEvent) call below, that CompWindow's
id will become 1, so findWindowAtDisplay won't be able to find the
CompWindow after that. */
w = findWindowAtDisplay (d, event->xdestroywindow.window);
break;
case ClientMessage:
if (event->xclient.message_type == d->xdndPositionAtom)
{
w = findWindowAtDisplay (d, event->xclient.window);
if (w)
{
Bool focus;
SCALE_SCREEN (w->screen);
s = w->screen;
focus = !d->opt[COMP_DISPLAY_OPTION_CLICK_TO_FOCUS].value.b;
if (w->id == ss->dndTarget)
sendDndStatusMessage (w->screen, event->xclient.data.l[0]);
if (ss->grab &&
ss->state != SCALE_STATE_IN &&
w->id == ss->dndTarget)
{
int x = event->xclient.data.l[2] >> 16;
int y = event->xclient.data.l[2] & 0xffff;
w = scaleCheckForWindowAt (s, x, y);
if (w && isScaleWin (w))
{
int time;
time = ss->opt[SCALE_SCREEN_OPTION_HOVER_TIME].value.i;
if (ss->hoverHandle)
{
if (w->id != sd->selectedWindow)
{
compRemoveTimeout (ss->hoverHandle);
ss->hoverHandle = 0;
}
}
if (!ss->hoverHandle)
ss->hoverHandle =
compAddTimeout (time, (float) time * 1.2,
scaleHoverTimeout,
s);
scaleSelectWindowAt (s, x, y, focus);
}
else
{
if (ss->hoverHandle)
compRemoveTimeout (ss->hoverHandle);
ss->hoverHandle = 0;
}
}
}
}
else if (event->xclient.message_type == d->xdndDropAtom ||
event->xclient.message_type == d->xdndLeaveAtom)
{
w = findWindowAtDisplay (d, event->xclient.window);
if (w)
{
int option;
SCALE_SCREEN (w->screen);
if (ss->grab &&
ss->state != SCALE_STATE_IN &&
w->id == ss->dndTarget)
{
CompOption o;
o.type = CompOptionTypeInt;
o.name = "root";
o.value.i = w->screen->root;
option = SCALE_DISPLAY_OPTION_INITIATE_EDGE;
scaleTerminate (d, &sd->opt[option].value.action,
0, &o, 1);
option = SCALE_DISPLAY_OPTION_INITIATE_KEY;
scaleTerminate (d, &sd->opt[option].value.action,
0, &o, 1);
}
}
}
default:
break;
}
if (!consumeEvent)
{
UNWRAP (sd, d, handleEvent);
(*d->handleEvent) (d, event);
WRAP (sd, d, handleEvent, scaleHandleEvent);
}
switch (event->type) {
case UnmapNotify:
w = findWindowAtDisplay (d, event->xunmap.window);
scaleWindowRemove (d, w);
break;
case DestroyNotify:
scaleWindowRemove (d, w);
break;
}
}
static Bool
scaleDamageWindowRect (CompWindow *w,
Bool initial,
BoxPtr rect)
{
Bool status = FALSE;
SCALE_SCREEN (w->screen);
if (initial)
{
if (ss->grab && isScaleWin (w))
{
if (layoutThumbs (w->screen))
{
ss->state = SCALE_STATE_OUT;
damageScreen (w->screen);
}
}
}
else if (ss->state == SCALE_STATE_WAIT)
{
SCALE_WINDOW (w);
if (sw->slot)
{
damageTransformedWindowRect (w,
sw->scale,
sw->scale,
sw->tx,
sw->ty,
rect);
status = TRUE;
}
}
UNWRAP (ss, w->screen, damageWindowRect);
status |= (*w->screen->damageWindowRect) (w, initial, rect);
WRAP (ss, w->screen, damageWindowRect, scaleDamageWindowRect);
return status;
}
static CompOption *
scaleGetDisplayOptions (CompPlugin *plugin,
CompDisplay *display,
int *count)
{
SCALE_DISPLAY (display);
*count = NUM_OPTIONS (sd);
return sd->opt;
}
static Bool
scaleSetDisplayOption (CompPlugin *plugin,
CompDisplay *display,
const char *name,
CompOptionValue *value)
{
CompOption *o;
int index;
SCALE_DISPLAY (display);
o = compFindOption (sd->opt, NUM_OPTIONS (sd), name, &index);
if (!o)
return FALSE;
switch (index) {
case SCALE_DISPLAY_OPTION_ABI:
case SCALE_DISPLAY_OPTION_INDEX:
break;
default:
return compSetDisplayOption (display, o, value);
}
return FALSE;
}
static const CompMetadataOptionInfo scaleDisplayOptionInfo[] = {
{ "abi", "int", 0, 0, 0 },
{ "index", "int", 0, 0, 0 },
{ "initiate_edge", "edge", 0, scaleInitiate, scaleTerminate },
{ "initiate_button", "button", 0, scaleInitiate, scaleTerminate },
{ "initiate_key", "key", 0, scaleInitiate, scaleTerminate },
{ "initiate_all_edge", "edge", 0, scaleInitiateAll, scaleTerminate },
{ "initiate_all_button", "button", 0, scaleInitiateAll, scaleTerminate },
{ "initiate_all_key", "key", 0, scaleInitiateAll, scaleTerminate },
{ "initiate_group_edge", "edge", 0, scaleInitiateGroup, scaleTerminate },
{ "initiate_group_button", "button", 0,
scaleInitiateGroup, scaleTerminate },
{ "initiate_group_key", "key", 0, scaleInitiateGroup, scaleTerminate },
{ "initiate_output_edge", "edge", 0, scaleInitiateOutput, scaleTerminate },
{ "initiate_output_button", "button", 0,
scaleInitiateOutput, scaleTerminate },
{ "initiate_output_key", "key", 0, scaleInitiateOutput, scaleTerminate },
{ "show_desktop", "bool", 0, 0, 0 },
{ "relayout_slots", "action", 0, scaleRelayoutSlots, 0 },
{ "key_bindings_toggle", "bool", 0, 0, 0 },
{ "button_bindings_toggle", "bool", 0, 0, 0 }
};
static Bool
scaleInitDisplay (CompPlugin *p,
CompDisplay *d)
{
ScaleDisplay *sd;
if (!checkPluginABI ("core", CORE_ABIVERSION))
return FALSE;
sd = malloc (sizeof (ScaleDisplay));
if (!sd)
return FALSE;
if (!compInitDisplayOptionsFromMetadata (d,
&scaleMetadata,
scaleDisplayOptionInfo,
sd->opt,
SCALE_DISPLAY_OPTION_NUM))
{
free (sd);
return FALSE;
}
sd->opt[SCALE_DISPLAY_OPTION_ABI].value.i = SCALE_ABIVERSION;
sd->opt[SCALE_DISPLAY_OPTION_INDEX].value.i = scaleDisplayPrivateIndex;
sd->screenPrivateIndex = allocateScreenPrivateIndex (d);
if (sd->screenPrivateIndex < 0)
{
compFiniDisplayOptions (d, sd->opt, SCALE_DISPLAY_OPTION_NUM);
free (sd);
return FALSE;
}
sd->lastActiveNum = None;
sd->selectedWindow = None;
sd->hoveredWindow = None;
sd->leftKeyCode = XKeysymToKeycode (d->display, XStringToKeysym ("Left"));
sd->rightKeyCode = XKeysymToKeycode (d->display, XStringToKeysym ("Right"));
sd->upKeyCode = XKeysymToKeycode (d->display, XStringToKeysym ("Up"));
sd->downKeyCode = XKeysymToKeycode (d->display, XStringToKeysym ("Down"));
WRAP (sd, d, handleEvent, scaleHandleEvent);
d->base.privates[scaleDisplayPrivateIndex].ptr = sd;
return TRUE;
}
static void
scaleFiniDisplay (CompPlugin *p,
CompDisplay *d)
{
SCALE_DISPLAY (d);
freeScreenPrivateIndex (d, sd->screenPrivateIndex);
UNWRAP (sd, d, handleEvent);
compFiniDisplayOptions (d, sd->opt, SCALE_DISPLAY_OPTION_NUM);
free (sd);
}
static const CompMetadataOptionInfo scaleScreenOptionInfo[] = {
{ "spacing", "int", "<min>0</min>", 0, 0 },
{ "speed", "float", "<min>0.1</min>", 0, 0 },
{ "timestep", "float", "<min>0.1</min>", 0, 0 },
{ "window_match", "match", 0, 0, 0 },
{ "darken_back", "bool", 0, 0, 0 },
{ "opacity", "int", "<min>0</min><max>100</max>", 0, 0 },
{ "overlay_icon", "int", RESTOSTRING (0, SCALE_ICON_LAST), 0, 0 },
{ "hover_time", "int", "<min>50</min>", 0, 0 },
{ "multioutput_mode", "int", RESTOSTRING (0, SCALE_MOMODE_LAST), 0, 0 }
};
static Bool
scaleInitScreen (CompPlugin *p,
CompScreen *s)
{
ScaleScreen *ss;
SCALE_DISPLAY (s->display);
ss = malloc (sizeof (ScaleScreen));
if (!ss)
return FALSE;
if (!compInitScreenOptionsFromMetadata (s,
&scaleMetadata,
scaleScreenOptionInfo,
ss->opt,
SCALE_SCREEN_OPTION_NUM))
{
free (ss);
return FALSE;
}
ss->windowPrivateIndex = allocateWindowPrivateIndex (s);
if (ss->windowPrivateIndex < 0)
{
compFiniScreenOptions (s, ss->opt, SCALE_SCREEN_OPTION_NUM);
free (ss);
return FALSE;
}
ss->grab = FALSE;
ss->grabIndex = 0;
ss->hoverHandle = 0;
ss->dndTarget = None;
ss->state = SCALE_STATE_NONE;
ss->slots = 0;
ss->slotsSize = 0;
ss->windows = 0;
ss->windowsSize = 0;
ss->opacity =
(OPAQUE * ss->opt[SCALE_SCREEN_OPTION_OPACITY].value.i) / 100;
matchInit (&ss->match);
ss->layoutSlotsAndAssignWindows = layoutSlotsAndAssignWindows;
ss->setScaledPaintAttributes = setScaledPaintAttributes;
ss->scalePaintDecoration = scalePaintDecoration;
ss->selectWindow = scaleSelectWindow;
WRAP (ss, s, preparePaintScreen, scalePreparePaintScreen);
WRAP (ss, s, donePaintScreen, scaleDonePaintScreen);
WRAP (ss, s, paintOutput, scalePaintOutput);
WRAP (ss, s, paintWindow, scalePaintWindow);
WRAP (ss, s, damageWindowRect, scaleDamageWindowRect);
ss->cursor = XCreateFontCursor (s->display->display, XC_left_ptr);
s->base.privates[sd->screenPrivateIndex].ptr = ss;
return TRUE;
}
static void
scaleFiniScreen (CompPlugin *p,
CompScreen *s)
{
SCALE_SCREEN (s);
UNWRAP (ss, s, preparePaintScreen);
UNWRAP (ss, s, donePaintScreen);
UNWRAP (ss, s, paintOutput);
UNWRAP (ss, s, paintWindow);
UNWRAP (ss, s, damageWindowRect);
matchFini (&ss->match);
if (ss->cursor)
XFreeCursor (s->display->display, ss->cursor);
if (ss->hoverHandle)
compRemoveTimeout (ss->hoverHandle);
if (ss->slotsSize)
free (ss->slots);
if (ss->windows)
free (ss->windows);
freeWindowPrivateIndex (s, ss->windowPrivateIndex);
compFiniScreenOptions (s, ss->opt, SCALE_SCREEN_OPTION_NUM);
free (ss);
}
static Bool
scaleInitWindow (CompPlugin *p,
CompWindow *w)
{
ScaleWindow *sw;
SCALE_SCREEN (w->screen);
sw = malloc (sizeof (ScaleWindow));
if (!sw)
return FALSE;
sw->slot = 0;
sw->scale = 1.0f;
sw->tx = sw->ty = 0.0f;
sw->adjust = FALSE;
sw->xVelocity = sw->yVelocity = 0.0f;
sw->scaleVelocity = 1.0f;
sw->delta = 1.0f;
sw->lastThumbOpacity = 0.0f;
w->base.privates[ss->windowPrivateIndex].ptr = sw;
return TRUE;
}
static void
scaleFiniWindow (CompPlugin *p,
CompWindow *w)
{
SCALE_WINDOW (w);
free (sw);
}
static CompBool
scaleInitObject (CompPlugin *p,
CompObject *o)
{
static InitPluginObjectProc dispTab[] = {
(InitPluginObjectProc) 0, /* InitCore */
(InitPluginObjectProc) scaleInitDisplay,
(InitPluginObjectProc) scaleInitScreen,
(InitPluginObjectProc) scaleInitWindow
};
RETURN_DISPATCH (o, dispTab, ARRAY_SIZE (dispTab), TRUE, (p, o));
}
static void
scaleFiniObject (CompPlugin *p,
CompObject *o)
{
static FiniPluginObjectProc dispTab[] = {
(FiniPluginObjectProc) 0, /* FiniCore */
(FiniPluginObjectProc) scaleFiniDisplay,
(FiniPluginObjectProc) scaleFiniScreen,
(FiniPluginObjectProc) scaleFiniWindow
};
DISPATCH (o, dispTab, ARRAY_SIZE (dispTab), (p, o));
}
static CompOption *
scaleGetObjectOptions (CompPlugin *plugin,
CompObject *object,
int *count)
{
static GetPluginObjectOptionsProc dispTab[] = {
(GetPluginObjectOptionsProc) 0, /* GetCoreOptions */
(GetPluginObjectOptionsProc) scaleGetDisplayOptions,
(GetPluginObjectOptionsProc) scaleGetScreenOptions
};
*count = 0;
RETURN_DISPATCH (object, dispTab, ARRAY_SIZE (dispTab),
(void *) count, (plugin, object, count));
}
static CompBool
scaleSetObjectOption (CompPlugin *plugin,
CompObject *object,
const char *name,
CompOptionValue *value)
{
static SetPluginObjectOptionProc dispTab[] = {
(SetPluginObjectOptionProc) 0, /* SetCoreOption */
(SetPluginObjectOptionProc) scaleSetDisplayOption,
(SetPluginObjectOptionProc) scaleSetScreenOption
};
RETURN_DISPATCH (object, dispTab, ARRAY_SIZE (dispTab), FALSE,
(plugin, object, name, value));
}
static Bool
scaleInit (CompPlugin *p)
{
if (!compInitPluginMetadataFromInfo (&scaleMetadata,
p->vTable->name,
scaleDisplayOptionInfo,
SCALE_DISPLAY_OPTION_NUM,
scaleScreenOptionInfo,
SCALE_SCREEN_OPTION_NUM))
return FALSE;
scaleDisplayPrivateIndex = allocateDisplayPrivateIndex ();
if (scaleDisplayPrivateIndex < 0)
{
compFiniMetadata (&scaleMetadata);
return FALSE;
}
compAddMetadataFromFile (&scaleMetadata, p->vTable->name);
return TRUE;
}
static void
scaleFini (CompPlugin *p)
{
freeDisplayPrivateIndex (scaleDisplayPrivateIndex);
compFiniMetadata (&scaleMetadata);
}
static CompMetadata *
scaleGetMetadata (CompPlugin *plugin)
{
return &scaleMetadata;
}
CompPluginVTable scaleVTable = {
"scale",
scaleGetMetadata,
scaleInit,
scaleFini,
scaleInitObject,
scaleFiniObject,
scaleGetObjectOptions,
scaleSetObjectOption
};
CompPluginVTable *
getCompPluginInfo20070830 (void)
{
return &scaleVTable;
}
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