Merge branch 'backport' into work
[dana/openbox.git] / openbox / focus_cycle_popup.c
index c862933..cc2b3b3 100644 (file)
@@ -23,6 +23,7 @@
 #include "screen.h"
 #include "focus.h"
 #include "openbox.h"
+#include "config.h"
 #include "window.h"
 #include "event.h"
 #include "render/render.h"
 #include <X11/Xlib.h>
 #include <glib.h>
 
+/* Size of the icons, which can appear inside or outside of a hilite box */
+#define ICON_SIZE (gint)config_theme_window_list_icon_size
 /* Size of the hilite box around a window's icon */
-#define HILITE_SIZE 40
+#define HILITE_SIZE (ICON_SIZE + 2*HILITE_OFFSET)
 /* Width of the outer ring around the hilite box */
 #define HILITE_WIDTH 2
 /* Space between the outer ring around the hilite box and the icon inside it */
 #define HILITE_MARGIN 1
 /* Total distance from the edge of the hilite box to the icon inside it */
 #define HILITE_OFFSET (HILITE_WIDTH + HILITE_MARGIN)
-/* Size of the icons, which can appear inside or outside of a hilite box */
-#define ICON_SIZE (HILITE_SIZE - 2*HILITE_OFFSET)
 /* Margin area around the outside of the dialog */
 #define OUTSIDE_BORDER 3
 /* Margin area around the text */
 #define TEXT_BORDER 2
+/* Scroll the list-mode list when the cursor gets within this many rows of the
+   top or bottom */
+#define SCROLL_MARGIN 4
 
 typedef struct _ObFocusCyclePopup       ObFocusCyclePopup;
 typedef struct _ObFocusCyclePopupTarget ObFocusCyclePopupTarget;
@@ -51,6 +55,7 @@ typedef struct _ObFocusCyclePopupTarget ObFocusCyclePopupTarget;
 struct _ObFocusCyclePopupTarget
 {
     ObClient *client;
+    RrImage *icon;
     gchar *text;
     Window iconwin;
     /* This is used when the popup is in list mode */
@@ -65,6 +70,9 @@ struct _ObFocusCyclePopup
     /* This is used when the popup is in icon mode */
     Window icon_mode_text;
 
+    Window list_mode_up;
+    Window list_mode_down;
+
     GList *targets;
     gint n_targets;
 
@@ -72,12 +80,17 @@ struct _ObFocusCyclePopup
 
     gint maxtextw;
 
+    /* How are the list is scrolled, in scroll mode */
+    gint scroll;
+
     RrAppearance *a_bg;
     RrAppearance *a_text;
     RrAppearance *a_hilite_text;
     RrAppearance *a_icon;
+    RrAppearance *a_arrow;
 
     gboolean mapped;
+    ObFocusCyclePopupMode mode;
 };
 
 /*! This popup shows all possible windows */
@@ -93,8 +106,7 @@ static void   popup_setup    (ObFocusCyclePopup *p,
                               gboolean dock_windows,
                               gboolean desktop_windows);
 static void   popup_render   (ObFocusCyclePopup *p,
-                              const ObClient *c,
-                              ObFocusCyclePopupMode mode);
+                              const ObClient *c);
 
 static Window create_window(Window parent, guint bwidth, gulong mask,
                             XSetWindowAttributes *attr)
@@ -116,6 +128,7 @@ void focus_cycle_popup_startup(gboolean reconfig)
     popup.a_hilite_text = RrAppearanceCopy(ob_rr_theme->osd_hilite_label);
     popup.a_text = RrAppearanceCopy(ob_rr_theme->a_unfocused_label);
     popup.a_icon = RrAppearanceCopy(ob_rr_theme->a_clear);
+    popup.a_arrow = RrAppearanceCopy(ob_rr_theme->a_clear_tex);
 
     popup.a_hilite_text->surface.parent = popup.a_bg;
     popup.a_text->surface.parent = popup.a_bg;
@@ -128,7 +141,13 @@ void focus_cycle_popup_startup(gboolean reconfig)
        may or may not be used */
     RrAppearanceAddTextures(popup.a_icon, 2);
 
-    popup.a_icon->texture[0].type = RR_TEXTURE_RGBA;
+    RrAppearanceClearTextures(popup.a_icon);
+    popup.a_icon->texture[0].type = RR_TEXTURE_IMAGE;
+
+    RrAppearanceClearTextures(popup.a_arrow);
+    popup.a_arrow->texture[0].type = RR_TEXTURE_MASK;
+    popup.a_arrow->texture[0].data.mask.color =
+        ob_rr_theme->osd_color;
 
     attrib.override_redirect = True;
     attrib.border_pixel=RrColorPixel(ob_rr_theme->osd_border_color);
@@ -138,6 +157,10 @@ void focus_cycle_popup_startup(gboolean reconfig)
     /* create the text window used for the icon-mode popup */
     popup.icon_mode_text = create_window(popup.bg, 0, 0, NULL);
 
+    /* create the windows for the up and down arrows */
+    popup.list_mode_up = create_window(popup.bg, 0, 0, NULL);
+    popup.list_mode_down = create_window(popup.bg, 0, 0, NULL);
+
     popup.targets = NULL;
     popup.n_targets = 0;
     popup.last_target = NULL;
@@ -170,8 +193,7 @@ void focus_cycle_popup_startup(gboolean reconfig)
                 {
                     /* the border of the target */
                     a = 0x88;
-                }
-                else {
+                } else {
                     /* the background of the target */
                     a = 0x22;
                 }
@@ -194,9 +216,11 @@ void focus_cycle_popup_shutdown(gboolean reconfig)
     while(popup.targets) {
         ObFocusCyclePopupTarget *t = popup.targets->data;
 
+        RrImageUnref(t->icon);
         g_free(t->text);
         XDestroyWindow(obt_display, t->iconwin);
         XDestroyWindow(obt_display, t->textwin);
+        g_free(t);
 
         popup.targets = g_list_delete_link(popup.targets, popup.targets);
     }
@@ -204,9 +228,12 @@ void focus_cycle_popup_shutdown(gboolean reconfig)
     g_free(popup.a_icon->texture[1].data.rgba.data);
     popup.a_icon->texture[1].data.rgba.data = NULL;
 
+    XDestroyWindow(obt_display, popup.list_mode_up);
+    XDestroyWindow(obt_display, popup.list_mode_down);
     XDestroyWindow(obt_display, popup.icon_mode_text);
     XDestroyWindow(obt_display, popup.bg);
 
+    RrAppearanceFree(popup.a_arrow);
     RrAppearanceFree(popup.a_icon);
     RrAppearanceFree(popup.a_hilite_text);
     RrAppearanceFree(popup.a_text);
@@ -236,7 +263,8 @@ static void popup_setup(ObFocusCyclePopup *p, gboolean create_targets,
                                iconic_windows,
                                all_desktops,
                                dock_windows,
-                               desktop_windows))
+                               desktop_windows,
+                               FALSE))
         {
             gchar *text = popup_get_name(ft);
 
@@ -244,18 +272,18 @@ static void popup_setup(ObFocusCyclePopup *p, gboolean create_targets,
             p->a_text->texture[0].data.text.string = text;
             maxwidth = MAX(maxwidth, RrMinWidth(p->a_text));
 
-            if (!create_targets)
+            if (!create_targets) {
                 g_free(text);
-            else {
+            else {
                 ObFocusCyclePopupTarget *t = g_new(ObFocusCyclePopupTarget, 1);
 
                 t->client = ft;
                 t->text = text;
+                t->icon = client_icon(t->client);
+                RrImageRef(t->icon); /* own the icon so it won't go away */
                 t->iconwin = create_window(p->bg, 0, 0, NULL);
                 t->textwin = create_window(p->bg, 0, 0, NULL);
 
-                XMapWindow(obt_display, t->iconwin);
-
                 p->targets = g_list_prepend(p->targets, t);
                 ++n;
             }
@@ -293,20 +321,21 @@ static gchar *popup_get_name(ObClient *c)
     return ret;
 }
 
-static void popup_render(ObFocusCyclePopup *p, const ObClient *c,
-                         ObFocusCyclePopupMode mode)
+static void popup_render(ObFocusCyclePopup *p, const ObClient *c)
 {
     gint ml, mt, mr, mb;
     gint l, t, r, b;
     gint x, y, w, h;
     Rect *screen_area = NULL;
-    gint rgbax, rgbay, rgbaw, rgbah;
     gint i;
     GList *it;
     const ObFocusCyclePopupTarget *newtarget;
+    ObFocusCyclePopupMode mode = p->mode;
     gint icons_per_row;
     gint icon_rows;
     gint textw, texth;
+    gint selected_pos;
+    gint last_scroll;
 
     /* vars for icon mode */
     gint icon_mode_textx;
@@ -315,11 +344,14 @@ static void popup_render(ObFocusCyclePopup *p, const ObClient *c,
 
     /* vars for list mode */
     gint list_mode_icon_column_w = HILITE_SIZE + OUTSIDE_BORDER;
+    gint up_arrow_x, down_arrow_x;
+    gint up_arrow_y, down_arrow_y;
+    gboolean showing_arrows = FALSE;
 
     g_assert(mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS ||
              mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST);
 
-    screen_area = screen_physical_area_active();
+    screen_area = screen_physical_area_primary(FALSE);
 
     /* get the outside margins */
     RrMargins(p->a_bg, &ml, &mt, &mr, &mb);
@@ -341,7 +373,7 @@ static void popup_render(ObFocusCyclePopup *p, const ObClient *c,
     /* get the text height */
     texth = RrMinHeight(p->a_hilite_text);
     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
-        texth = MAX(MAX(texth, RrMinHeight(p->a_text)), ICON_SIZE);
+        texth = MAX(MAX(texth, RrMinHeight(p->a_text)), HILITE_SIZE);
     else
         texth += TEXT_BORDER * 2;
 
@@ -353,9 +385,7 @@ static void popup_render(ObFocusCyclePopup *p, const ObClient *c,
 
         /* how many rows do we need? */
         icon_rows = (p->n_targets-1) / icons_per_row + 1;
-
-    }
-    else {
+    } else {
         /* in list mode, there is one column of icons.. */
         icons_per_row = 1;
         /* maximum is 80% of the screen height */
@@ -363,6 +393,8 @@ static void popup_render(ObFocusCyclePopup *p, const ObClient *c,
                         (4*screen_area->height/5) /* 80% of the screen */
                         /
                         MAX(HILITE_SIZE, texth)); /* height of each row */
+        /* but make sure there is always one */
+        icon_rows = MAX(icon_rows, 1);
     }
 
     /* get the text width */
@@ -371,15 +403,68 @@ static void popup_render(ObFocusCyclePopup *p, const ObClient *c,
         /* leave space on the side for the icons */
         textw -= list_mode_icon_column_w;
 
+    if (!p->mapped)
+        /* reset the scrolling when the dialog is first shown */
+        p->scroll = 0;
+
     /* find the height of the dialog */
-#warning limit the height and scroll entries somehow
     h = t + b + (icon_rows * MAX(HILITE_SIZE, texth));
     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS)
         /* in icon mode the text sits below the icons, so make some space */
         h += OUTSIDE_BORDER + texth;
 
+    /* find the focused target */
+    newtarget = NULL;
+    for (i = 0, it = p->targets; it; ++i, it = g_list_next(it)) {
+        const ObFocusCyclePopupTarget *target = it->data;
+        if (target->client == c) {
+            /* save the target */
+            newtarget = target;
+            break;
+        }
+    }
+    selected_pos = i;
+    g_assert(newtarget != NULL);
+
+    /* scroll the list if needed */
+    last_scroll = p->scroll;
+    if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST) {
+        const gint top = p->scroll + SCROLL_MARGIN;
+        const gint bottom = p->scroll + icon_rows - SCROLL_MARGIN;
+        const gint min_scroll = 0;
+        const gint max_scroll = p->n_targets - icon_rows;
+
+        if (top - selected_pos >= 0) {
+            p->scroll -= top - selected_pos + 1;
+            p->scroll = MAX(p->scroll, min_scroll);
+        } else if (selected_pos - bottom >= 0) {
+            p->scroll += selected_pos - bottom + 1;
+            p->scroll = MIN(p->scroll, max_scroll);
+        }
+    }
+
+    /* show the scroll arrows when appropriate */
+    if (p->scroll && mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST) {
+        XMapWindow(obt_display, p->list_mode_up);
+        showing_arrows = TRUE;
+    } else
+        XUnmapWindow(obt_display, p->list_mode_up);
+
+    if (p->scroll < p->n_targets - icon_rows &&
+        mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
+    {
+        XMapWindow(obt_display, p->list_mode_down);
+        showing_arrows = TRUE;
+    } else
+        XUnmapWindow(obt_display, p->list_mode_down);
+
+    /* make space for the arrows */
+    if (showing_arrows)
+        h += ob_rr_theme->up_arrow_mask->height + OUTSIDE_BORDER
+            + ob_rr_theme->down_arrow_mask->height + OUTSIDE_BORDER;
+
     /* center the icons if there is less than one row */
-    if (icon_rows == 1)
+    if (mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS && icon_rows == 1)
         icons_center_x = (w - p->n_targets * HILITE_SIZE) / 2;
     else
         icons_center_x = 0;
@@ -396,12 +481,6 @@ static void popup_render(ObFocusCyclePopup *p, const ObClient *c,
     y = screen_area->y + (screen_area->height -
                           (h + ob_rr_theme->obwidth * 2)) / 2;
 
-    /* get the dimensions of the target hilite texture */
-    rgbax = ml;
-    rgbay = mt;
-    rgbaw = w - ml - mr;
-    rgbah = h - mt - mb;
-
     if (!p->mapped) {
         /* position the background but don't draw it */
         XMoveResizeWindow(obt_display, p->bg, x, y, w, h);
@@ -411,82 +490,119 @@ static void popup_render(ObFocusCyclePopup *p, const ObClient *c,
             XMoveResizeWindow(obt_display, p->icon_mode_text,
                               icon_mode_textx, icon_mode_texty, textw, texth);
             XMapWindow(obt_display, popup.icon_mode_text);
-        }
-        else
+        } else {
             XUnmapWindow(obt_display, popup.icon_mode_text);
-    }
 
-    /* find the focused target */
-    newtarget = NULL;
-    for (i = 0, it = p->targets; it; ++i, it = g_list_next(it)) {
-        const ObFocusCyclePopupTarget *target = it->data;
-        if (target->client == c) {
-            /* save the target */
-            newtarget = target;
-            break;
+            up_arrow_x = (w - ob_rr_theme->up_arrow_mask->width) / 2;
+            up_arrow_y = t;
+
+            down_arrow_x = (w - ob_rr_theme->down_arrow_mask->width) / 2;
+            down_arrow_y = h - b - ob_rr_theme->down_arrow_mask->height;
+
+            /* position the arrows */
+            XMoveResizeWindow(obt_display, p->list_mode_up,
+                              up_arrow_x, up_arrow_y,
+                              ob_rr_theme->up_arrow_mask->width,
+                              ob_rr_theme->up_arrow_mask->height);
+            XMoveResizeWindow(obt_display, p->list_mode_down,
+                              down_arrow_x, down_arrow_y,
+                              ob_rr_theme->down_arrow_mask->width,
+                              ob_rr_theme->down_arrow_mask->height);
         }
     }
 
-    g_assert(newtarget != NULL);
-
     /* * * draw everything * * */
 
     /* draw the background */
     if (!p->mapped)
         RrPaint(p->a_bg, p->bg, w, h);
 
+    /* draw the scroll arrows */
+    if (!p->mapped && mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST) {
+        p->a_arrow->texture[0].data.mask.mask =
+            ob_rr_theme->up_arrow_mask;
+        p->a_arrow->surface.parent = p->a_bg;
+        p->a_arrow->surface.parentx = up_arrow_x;
+        p->a_arrow->surface.parenty = up_arrow_y;
+        RrPaint(p->a_arrow, p->list_mode_up, 
+                ob_rr_theme->up_arrow_mask->width,
+                ob_rr_theme->up_arrow_mask->height);
+
+        p->a_arrow->texture[0].data.mask.mask =
+            ob_rr_theme->down_arrow_mask;
+        p->a_arrow->surface.parent = p->a_bg;
+        p->a_arrow->surface.parentx = down_arrow_x;
+        p->a_arrow->surface.parenty = down_arrow_y;
+        RrPaint(p->a_arrow, p->list_mode_down, 
+                ob_rr_theme->down_arrow_mask->width,
+                ob_rr_theme->down_arrow_mask->height);
+    }
+
     /* draw the icons and text */
     for (i = 0, it = p->targets; it; ++i, it = g_list_next(it)) {
         const ObFocusCyclePopupTarget *target = it->data;
 
         /* have to redraw the targetted icon and last targetted icon
          * to update the hilite */
-        if (!p->mapped || newtarget == target || p->last_target == target) {
-            const gint row = i / icons_per_row; /* starting from 0 */
-            const gint col = i % icons_per_row; /* starting from 0 */
-            const ObClientIcon *icon;
+        if (!p->mapped || newtarget == target || p->last_target == target ||
+            last_scroll != p->scroll)
+        {
+            /* row and column start from 0 */
+            const gint row = i / icons_per_row - p->scroll;
+            const gint col = i % icons_per_row;
             gint iconx, icony;
             gint list_mode_textx, list_mode_texty;
             RrAppearance *text;
 
             /* find the coordinates for the icon */
             iconx = icons_center_x + l + (col * HILITE_SIZE);
-            icony = t + (row * MAX(texth, HILITE_SIZE))
+            icony = t + (showing_arrows ? ob_rr_theme->up_arrow_mask->height
+                                          + OUTSIDE_BORDER
+                         : 0)
+                + (row * MAX(texth, HILITE_SIZE))
                 + MAX(texth - HILITE_SIZE, 0) / 2;
 
             /* find the dimensions of the text box */
             list_mode_textx = iconx + HILITE_SIZE + TEXT_BORDER;
-            list_mode_texty = icony + HILITE_OFFSET;
+            list_mode_texty = icony;
 
             /* position the icon */
             XMoveResizeWindow(obt_display, target->iconwin,
                               iconx, icony, HILITE_SIZE, HILITE_SIZE);
 
             /* position the text */
-            if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST) {
+            if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
                 XMoveResizeWindow(obt_display, target->textwin,
                                   list_mode_textx, list_mode_texty,
                                   textw, texth);
-                XMapWindow(obt_display, target->textwin);
-            }
-            else
+
+            /* show/hide the right windows */
+            if (row >= 0 && row < icon_rows) {
+                XMapWindow(obt_display, target->iconwin);
+                if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
+                    XMapWindow(obt_display, target->textwin);
+                else
+                    XUnmapWindow(obt_display, target->textwin);
+            } else {
                 XUnmapWindow(obt_display, target->textwin);
+                if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
+                    XUnmapWindow(obt_display, target->iconwin);
+                else
+                    XMapWindow(obt_display, target->iconwin);
+            }
 
             /* get the icon from the client */
-            icon = client_icon(target->client, ICON_SIZE, ICON_SIZE);
-            p->a_icon->texture[0].data.rgba.width = icon->width;
-            p->a_icon->texture[0].data.rgba.height = icon->height;
-            p->a_icon->texture[0].data.rgba.twidth = ICON_SIZE;
-            p->a_icon->texture[0].data.rgba.theight = ICON_SIZE;
-            p->a_icon->texture[0].data.rgba.tx = HILITE_OFFSET;
-            p->a_icon->texture[0].data.rgba.ty = HILITE_OFFSET;
-            p->a_icon->texture[0].data.rgba.alpha =
+            p->a_icon->texture[0].data.image.twidth = ICON_SIZE;
+            p->a_icon->texture[0].data.image.theight = ICON_SIZE;
+            p->a_icon->texture[0].data.image.tx = HILITE_OFFSET;
+            p->a_icon->texture[0].data.image.ty = HILITE_OFFSET;
+            p->a_icon->texture[0].data.image.alpha =
                 target->client->iconic ? OB_ICONIC_ALPHA : 0xff;
-            p->a_icon->texture[0].data.rgba.data = icon->data;
+            p->a_icon->texture[0].data.image.image = target->icon;
 
             /* Draw the hilite? */
             p->a_icon->texture[1].type = (target == newtarget) ?
-                                         RR_TEXTURE_RGBA : RR_TEXTURE_NONE;
+                RR_TEXTURE_RGBA : RR_TEXTURE_NONE;
 
             /* draw the icon */
             p->a_icon->surface.parentx = iconx;
@@ -494,7 +610,8 @@ static void popup_render(ObFocusCyclePopup *p, const ObClient *c,
             RrPaint(p->a_icon, target->iconwin, HILITE_SIZE, HILITE_SIZE);
 
             /* draw the text */
-            if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST || target == newtarget)
+            if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST ||
+                target == newtarget)
             {
                 text = (target == newtarget) ? p->a_hilite_text : p->a_text;
                 text->texture[0].data.text.string = target->text;
@@ -515,6 +632,8 @@ static void popup_render(ObFocusCyclePopup *p, const ObClient *c,
     p->last_target = newtarget;
 
     g_free(screen_area);
+
+    XFlush(obt_display);
 }
 
 void focus_cycle_popup_show(ObClient *c, gboolean iconic_windows,
@@ -530,12 +649,15 @@ void focus_cycle_popup_show(ObClient *c, gboolean iconic_windows,
     }
 
     /* do this stuff only when the dialog is first showing */
-    if (!popup.mapped)
-        popup_setup(&popup, TRUE, iconic_windows, all_desktops,
+    if (!popup.mapped) {
+        popup_setup(&popup, TRUE, iconic_windows, all_desktops, 
                     dock_windows, desktop_windows);
+        /* this is fixed once the dialog is shown */
+        popup.mode = mode;
+    }
     g_assert(popup.targets != NULL);
 
-    popup_render(&popup, c, mode);
+    popup_render(&popup, c);
 
     if (!popup.mapped) {
         /* show the dialog */
@@ -562,6 +684,7 @@ void focus_cycle_popup_hide(void)
     while(popup.targets) {
         ObFocusCyclePopupTarget *t = popup.targets->data;
 
+        RrImageUnref(t->icon);
         g_free(t->text);
         XDestroyWindow(obt_display, t->iconwin);
         XDestroyWindow(obt_display, t->textwin);
@@ -592,7 +715,7 @@ void focus_cycle_popup_single_show(struct _ObClient *c,
         g_assert(popup.targets == NULL);
 
         /* position the popup */
-        a = screen_physical_area_active();
+        a = screen_physical_area_primary(FALSE);
         icon_popup_position(single_popup, CenterGravity,
                             a->x + a->width / 2, a->y + a->height / 2);
         icon_popup_height(single_popup, POPUP_HEIGHT);
@@ -603,8 +726,7 @@ void focus_cycle_popup_single_show(struct _ObClient *c,
     }
 
     text = popup_get_name(c);
-    icon_popup_show(single_popup, text, client_icon(c, HILITE_SIZE,
-                                                    HILITE_SIZE));
+    icon_popup_show(single_popup, text, client_icon(c));
     g_free(text);
     screen_hide_desktop_popup();
 }
@@ -613,3 +735,17 @@ void focus_cycle_popup_single_hide(void)
 {
     icon_popup_hide(single_popup);
 }
+
+gboolean focus_cycle_popup_is_showing(ObClient *client)
+{
+    if (popup.mapped) {
+        GList *it;
+
+        for (it = popup.targets; it; it = g_list_next(it)) {
+            ObFocusCyclePopupTarget *t = it->data;
+            if (t->client == client)
+                return TRUE;
+        }
+    }
+    return FALSE;
+}