rendered paste bodyFrom 6a6c9449fe72c529562ad25198a7d6bc334cfb37 Mon Sep 17 00:00:00 2001
From: Roi Cohen <roico@roico-desktop.(none)>
Date: Tue, 8 May 2007 10:52:49 +0300
Subject: [PATCH] transparent cube
---
metadata/cube.xml.in | 29 +++++++
plugins/cube.c | 200 +++++++++++++++++++++++++++++++++++++++++++------
2 files changed, 204 insertions(+), 25 deletions(-)
diff --git a/metadata/cube.xml.in b/metadata/cube.xml.in
index f128f09..ea17ebd 100644
--- a/metadata/cube.xml.in
+++ b/metadata/cube.xml.in
@@ -123,6 +123,35 @@
<_long>Adjust top face image to rotation</_long>
<default>false</default>
</option>
+ <option name="active_opacity" type="float">
+ <_short>Opacity During Rotation</_short>
+ <_long>Opacity of desktop window during rotation.</_long>
+ <default>30.0</default>
+ <min>0.0</min>
+ <max>100.0</max>
+ <precision>1.0</precision>
+ </option>
+ <option name="inactive_opacity" type="float">
+ <_short>Opacity When Not Rotating</_short>
+ <_long>Opacity of desktop window when not rotating.</_long>
+ <default>100.0</default>
+ <min>0.0</min>
+ <max>100.0</max>
+ <precision>1.0</precision>
+ </option>
+ <option name="fade_time" type="float">
+ <_short>Fade Time</_short>
+ <_long>Desktop Window Opacity Fade Time.</_long>
+ <default>1.0</default>
+ <min>0.0</min>
+ <max>10.0</max>
+ <precision>0.1</precision>
+ </option>
+ <option name="transparent_manual_only" type="bool">
+ <_short>Transparency Only on Mouse Rotate</_short>
+ <_long>Initiates Cube transparency only if rotation is mouse driven.</_long>
+ <default>true</default>
+ </option>
</screen>
</plugin>
</compiz>
diff --git a/plugins/cube.c b/plugins/cube.c
index 5617c82..ac8b073 100644
--- a/plugins/cube.c
+++ b/plugins/cube.c
@@ -70,22 +70,26 @@ typedef struct _CubeDisplay {
HandleCompizEventProc handleCompizEvent;
} CubeDisplay;
-#define CUBE_SCREEN_OPTION_COLOR 0
-#define CUBE_SCREEN_OPTION_IN 1
-#define CUBE_SCREEN_OPTION_SCALE_IMAGE 2
-#define CUBE_SCREEN_OPTION_IMAGES 3
-#define CUBE_SCREEN_OPTION_SKYDOME 4
-#define CUBE_SCREEN_OPTION_SKYDOME_IMG 5
-#define CUBE_SCREEN_OPTION_SKYDOME_ANIM 6
-#define CUBE_SCREEN_OPTION_SKYDOME_GRAD_START 7
-#define CUBE_SCREEN_OPTION_SKYDOME_GRAD_END 8
-#define CUBE_SCREEN_OPTION_ACCELERATION 9
-#define CUBE_SCREEN_OPTION_SPEED 10
-#define CUBE_SCREEN_OPTION_TIMESTEP 11
-#define CUBE_SCREEN_OPTION_MIPMAP 12
-#define CUBE_SCREEN_OPTION_BACKGROUNDS 13
-#define CUBE_SCREEN_OPTION_ADJUST_IMAGE 14
-#define CUBE_SCREEN_OPTION_NUM 15
+#define CUBE_SCREEN_OPTION_COLOR 0
+#define CUBE_SCREEN_OPTION_IN 1
+#define CUBE_SCREEN_OPTION_SCALE_IMAGE 2
+#define CUBE_SCREEN_OPTION_IMAGES 3
+#define CUBE_SCREEN_OPTION_SKYDOME 4
+#define CUBE_SCREEN_OPTION_SKYDOME_IMG 5
+#define CUBE_SCREEN_OPTION_SKYDOME_ANIM 6
+#define CUBE_SCREEN_OPTION_SKYDOME_GRAD_START 7
+#define CUBE_SCREEN_OPTION_SKYDOME_GRAD_END 8
+#define CUBE_SCREEN_OPTION_ACCELERATION 9
+#define CUBE_SCREEN_OPTION_SPEED 10
+#define CUBE_SCREEN_OPTION_TIMESTEP 11
+#define CUBE_SCREEN_OPTION_MIPMAP 12
+#define CUBE_SCREEN_OPTION_BACKGROUNDS 13
+#define CUBE_SCREEN_OPTION_ADJUST_IMAGE 14
+#define CUBE_SCREEN_OPTION_ACTIVE_OPACITY 15
+#define CUBE_SCREEN_OPTION_INACTIVE_OPACITY 16
+#define CUBE_SCREEN_OPTION_FADE_TIME 17
+#define CUBE_SCREEN_OPTION_TRANSPARENT_MANUAL_ONLY 18
+#define CUBE_SCREEN_OPTION_NUM 19
#define MULTM(x, y, z) \
z[0] = x[0] * y[0] + x[4] * y[1] + x[8] * y[2] + x[12] * y[3]; \
@@ -130,6 +134,7 @@ typedef struct _CubeScreen {
PaintScreenProc paintScreen;
PaintTransformedScreenProc paintTransformedScreen;
PaintBackgroundProc paintBackground;
+ PaintWindowProc paintWindow;
ApplyScreenTransformProc applyScreenTransform;
SetScreenOptionProc setScreenOption;
OutputChangeNotifyProc outputChangeNotify;
@@ -180,6 +185,9 @@ typedef struct _CubeScreen {
Bool disableCaps;
Bool paintAllViewports;
+
+ float desktopOpacity;
+ float toOpacity;
CompTexture *bg;
int nBg;
@@ -1091,6 +1099,39 @@ cubePreparePaintScreen (CompScreen *s,
}
memset (cs->cleared, 0, sizeof (Bool) * s->nOutputDev);
+
+ //transparency, mostly copied/ported from beryl's cube.c, orig. by onestone
+ if (cs->rotationMode != NoRotation && ((cs->rotationMode == RotationManual) ||
+ !(cs->opt[CUBE_SCREEN_OPTION_TRANSPARENT_MANUAL_ONLY].value.b)))
+ {
+ cs->toOpacity =
+ (cs->opt[CUBE_SCREEN_OPTION_ACTIVE_OPACITY].value.f / 100.0f) * OPAQUE;
+ }
+ else
+ cs->toOpacity =
+ (cs->opt[CUBE_SCREEN_OPTION_INACTIVE_OPACITY].value.f / 100.0f) * OPAQUE;
+
+ if (cs->opt[CUBE_SCREEN_OPTION_FADE_TIME].value.f == 0.0f)
+ cs->desktopOpacity = cs->toOpacity;
+
+ else if (cs->desktopOpacity != cs->toOpacity)
+ {
+ float steps = (msSinceLastPaint * OPAQUE / 1000.0) /
+ cs->opt[CUBE_SCREEN_OPTION_FADE_TIME].value.f;
+ if (steps < 12)
+ steps = 12;
+
+ if (cs->toOpacity > cs->desktopOpacity)
+ {
+ cs->desktopOpacity += steps;
+ cs->desktopOpacity = MIN(cs->toOpacity, cs->desktopOpacity);
+ }
+ if (cs->toOpacity < cs->desktopOpacity)
+ {
+ cs->desktopOpacity -= steps;
+ cs->desktopOpacity = MAX(cs->toOpacity, cs->desktopOpacity);
+ }
+ }
UNWRAP (cs, s, preparePaintScreen);
(*s->preparePaintScreen) (s, msSinceLastPaint);
@@ -1110,7 +1151,7 @@ cubePaintScreen (CompScreen *s,
CUBE_SCREEN (s);
- if (cs->grabIndex)
+ if (cs->grabIndex || cs->desktopOpacity != OPAQUE)
{
mask &= ~PAINT_SCREEN_REGION_MASK;
mask |= PAINT_SCREEN_TRANSFORMED_MASK;
@@ -1130,7 +1171,7 @@ cubeDonePaintScreen (CompScreen *s)
{
CUBE_SCREEN (s);
- if (cs->grabIndex)
+ if (cs->grabIndex || cs->desktopOpacity != cs->toOpacity)
damageScreen (s);
UNWRAP (cs, s, donePaintScreen);
@@ -1389,14 +1430,14 @@ cubePaintCaps (CompScreen *s,
CUBE_SCREEN(s);
if (!clear && cs->grabIndex == 0 && hsize > 2 &&
- (cs->invert != 1 || sAttrib->vRotate != 0.0f || sAttrib->yTranslate != 0.0f))
+ (cs->invert != 1 || sAttrib->vRotate != 0.0f || sAttrib->yTranslate != 0.0f || cs->desktopOpacity != OPAQUE))
{
CompTransform sTransform = *transform;
float yRotate = (360.0f / hsize) * (cs->xrotations + 1);
screenLighting (s, TRUE);
- glColor3usv (cs->color);
+ glColor4us (cs->color[0], cs->color[1], cs->color[2], cs->desktopOpacity);
glPushMatrix ();
@@ -1411,6 +1452,14 @@ cubePaintCaps (CompScreen *s,
glScalef (cs->outputXScale, cs->outputYScale, 1.0f);
sAttrib->yRotate -= yRotate;
+
+
+ if (cs->desktopOpacity != OPAQUE)
+ {
+ screenTexEnvMode (s, GL_MODULATE);
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ }
glVertexPointer (3, GL_FLOAT, 0, cs->vertices);
@@ -1449,6 +1498,10 @@ cubePaintCaps (CompScreen *s,
glColor4usv (defaultColor);
glEnableClientState (GL_TEXTURE_COORD_ARRAY);
+
+ screenTexEnvMode(s, GL_REPLACE);
+ glDisable(GL_BLEND);
+ glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
}
}
@@ -1466,6 +1519,7 @@ cubePaintTransformedScreen (CompScreen *s,
GLenum filter = s->display->textureFilter;
PaintOrder paintOrder;
Bool clear;
+ Bool wasCulled = FALSE;
CUBE_SCREEN (s);
@@ -1474,6 +1528,13 @@ cubePaintTransformedScreen (CompScreen *s,
hsize = s->hsize * cs->nOutput;
size = hsize;
+
+ if (cs->desktopOpacity != OPAQUE)
+ {
+ wasCulled = glIsEnabled(GL_CULL_FACE);
+ if (wasCulled)
+ glDisable(GL_CULL_FACE);
+ }
if (!cs->fullscreenOutput)
{
@@ -1557,7 +1618,7 @@ cubePaintTransformedScreen (CompScreen *s,
else
paintOrder = BTF; // Inside cube - start with BTF faces.
- if (cs->paintAllViewports || cs->invert == -1)
+ if (cs->paintAllViewports || cs->desktopOpacity != OPAQUE || cs->invert == -1)
cubePaintAllViewports(s, &sa, transform, region, output, mask, xMove, size, hsize, paintOrder);
cubePaintCaps (s, &sa, transform, clear, output, hsize); // Paint caps between BTF faces and FTB faces.
@@ -1567,10 +1628,13 @@ cubePaintTransformedScreen (CompScreen *s,
else
paintOrder = FTB; // Inside cube - continue with FTB faces.
- if (cs->paintAllViewports || cs->invert == 1)
+ if (cs->paintAllViewports || cs->desktopOpacity != OPAQUE || cs->invert == 1)
cubePaintAllViewports(s, &sa, transform, region, output, mask, xMove, size, hsize, paintOrder);
s->display->textureFilter = filter;
+
+ if (cs->desktopOpacity != OPAQUE && wasCulled)
+ glEnable(GL_CULL_FACE);
WRAP (cs, s, paintTransformedScreen, cubePaintTransformedScreen);
}
@@ -1642,6 +1706,50 @@ cubeStackPrev (CompWindow* window)
}
static void
+cubeSetBackgroundOpacity(CompScreen* s)
+{
+ CUBE_SCREEN(s);
+
+ if (cs->desktopOpacity != OPAQUE)
+ {
+ if (s->desktopWindowCount)
+ {
+ glColor4us(0, 0, 0, 0);
+ glEnable(GL_BLEND);
+ }
+ else
+ {
+ glColor4us(0xffff, 0xffff, 0xffff, cs->desktopOpacity);
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+ }
+ }
+}
+
+static void
+cubeUnSetBackgroundOpacity(CompScreen* s)
+{
+ CUBE_SCREEN(s);
+
+ if (cs->desktopOpacity != OPAQUE)
+ {
+ if (s->desktopWindowCount)
+ {
+ glColor3usv(defaultColor);
+ glDisable(GL_BLEND);
+ }
+ else
+ {
+ glColor3usv(defaultColor);
+ glDisable(GL_BLEND);
+ glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
+ screenTexEnvMode(s, GL_REPLACE);
+ }
+ }
+}
+
+static void
cubePaintBackground (CompScreen *s,
Region region,
unsigned int mask)
@@ -1650,6 +1758,8 @@ cubePaintBackground (CompScreen *s,
CUBE_SCREEN (s);
+ cubeSetBackgroundOpacity(s);
+
n = cs->opt[CUBE_SCREEN_OPTION_BACKGROUNDS].value.list.nValue;
if (n)
{
@@ -1659,13 +1769,17 @@ cubePaintBackground (CompScreen *s,
GLfloat *d, *data;
if (!nBox)
- return;
+ {
+ cubeUnSetBackgroundOpacity(s);
+ return;
+ }
n = s->x % n;
if (s->desktopWindowCount)
{
cubeUnloadBackgrounds (s);
+ cubeUnSetBackgroundOpacity(s);
return;
}
else
@@ -1678,7 +1792,10 @@ cubePaintBackground (CompScreen *s,
data = malloc (sizeof (GLfloat) * nBox * 16);
if (!data)
- return;
+ {
+ cubeUnSetBackgroundOpacity(s);
+ return;
+ }
d = data;
n = nBox;
@@ -1735,6 +1852,31 @@ cubePaintBackground (CompScreen *s,
(*s->paintBackground) (s, region, mask);
WRAP (cs, s, paintBackground, cubePaintBackground);
}
+
+ cubeUnSetBackgroundOpacity(s);
+}
+
+static Bool
+cubePaintWindow (CompWindow *w,
+ const WindowPaintAttrib *attrib,
+ const CompTransform *transform,
+ Region region,
+ unsigned int mask)
+{
+ Bool status;
+ CompScreen* s = w->screen;
+ CUBE_SCREEN(s);
+
+ WindowPaintAttrib wa = *attrib;
+
+ if (w->type & CompWindowTypeDesktopMask)
+ wa.opacity = cs->desktopOpacity;
+
+ UNWRAP (cs, s, paintWindow);
+ status = (*s->paintWindow) (w, &wa, transform, region, mask);
+ WRAP (cs, s, paintWindow, cubePaintWindow);
+
+ return status;
}
static void cubeSetClipPlanes (CompScreen *s, Region region, int output)
@@ -2146,7 +2288,11 @@ static const CompMetadataOptionInfo cubeScreenOptionInfo[] = {
{ "timestep", "float", "<min>0.1</min>", 0, 0 },
{ "mipmap", "bool", 0, 0, 0 },
{ "backgrounds", "list", "<type>string</type>", 0, 0 },
- { "adjust_image", "bool", 0, 0, 0 }
+ { "adjust_image", "bool", 0, 0, 0 },
+ { "active_opacity", "float", "<min>0.0</min><max>100.0</max>", 0, 0 },
+ { "inactive_opacity", "float", "<min>0.0</min><max>100.0</max>", 0, 0 },
+ { "fade_time", "float", "<min>0.0</min>", 0, 0 },
+ { "transparent_manual_only", "bool", 0, 0, 0 }
};
static Bool
@@ -2208,6 +2354,8 @@ cubeInitScreen (CompPlugin *p,
cs->disableCaps = FALSE;
cs->paintAllViewports = FALSE;
cs->rotationMode = NoRotation;
+
+ cs->desktopOpacity = OPAQUE;
memset (cs->cleared, 0, sizeof (cs->cleared));
@@ -2231,6 +2379,7 @@ cubeInitScreen (CompPlugin *p,
WRAP (cs, s, paintScreen, cubePaintScreen);
WRAP (cs, s, paintTransformedScreen, cubePaintTransformedScreen);
WRAP (cs, s, paintBackground, cubePaintBackground);
+ WRAP (cs, s, paintWindow, cubePaintWindow);
WRAP (cs, s, applyScreenTransform, cubeApplyScreenTransform);
WRAP (cs, s, setScreenOption, cubeSetGlobalScreenOption);
WRAP (cs, s, outputChangeNotify, cubeOutputChangeNotify);
@@ -2257,6 +2406,7 @@ cubeFiniScreen (CompPlugin *p,
UNWRAP (cs, s, paintScreen);
UNWRAP (cs, s, paintTransformedScreen);
UNWRAP (cs, s, paintBackground);
+ UNWRAP (cs, s, paintWindow);
UNWRAP (cs, s, applyScreenTransform);
UNWRAP (cs, s, setScreenOption);
UNWRAP (cs, s, outputChangeNotify);
--
1.4.4.2