From b097f84dfdf4e2548dba96aa63325cb05b5244a1 Mon Sep 17 00:00:00 2001 From: Dana Jansens Date: Mon, 4 Feb 2008 23:25:26 -0500 Subject: [PATCH] scroll the alttab box in list mode --- openbox/focus_cycle_popup.c | 144 +++++++++++++++++++++++++----------- 1 file changed, 99 insertions(+), 45 deletions(-) diff --git a/openbox/focus_cycle_popup.c b/openbox/focus_cycle_popup.c index c69c1d27..c5807c3a 100644 --- a/openbox/focus_cycle_popup.c +++ b/openbox/focus_cycle_popup.c @@ -44,6 +44,9 @@ #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; @@ -72,6 +75,9 @@ 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; @@ -254,8 +260,6 @@ static void popup_setup(ObFocusCyclePopup *p, gboolean create_targets, 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; } @@ -306,6 +310,8 @@ static void popup_render(ObFocusCyclePopup *p, const ObClient *c) gint icons_per_row; gint icon_rows; gint textw, texth; + gint selected_pos; + gint last_scroll; /* vars for icon mode */ gint icon_mode_textx; @@ -371,7 +377,6 @@ static void popup_render(ObFocusCyclePopup *p, const ObClient *c) textw -= list_mode_icon_column_w; /* find the height of the dialog */ -#warning limit the height and scroll entries somehow h = t + b + (icon_rows * MAX(HILITE_SIZE, texth)); if (p->mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS) /* in icon mode the text sits below the icons, so make some space */ @@ -413,6 +418,9 @@ static void popup_render(ObFocusCyclePopup *p, const ObClient *c) } else XUnmapWindow(obt_display, popup.icon_mode_text); + + /* reset the scrolling when the dialog is first shown */ + p->scroll = 0; } /* find the focused target */ @@ -425,6 +433,25 @@ static void popup_render(ObFocusCyclePopup *p, const ObClient *c) break; } } + selected_pos = i; + + /* scroll the list if needed */ + last_scroll = p->scroll; + if (p->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); + } + } g_assert(newtarget != NULL); @@ -440,9 +467,12 @@ static void popup_render(ObFocusCyclePopup *p, const ObClient *c) /* 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 */ + 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; const ObClientIcon *icon; gint iconx, icony; gint list_mode_textx, list_mode_texty; @@ -462,52 +492,74 @@ static void popup_render(ObFocusCyclePopup *p, const ObClient *c) iconx, icony, HILITE_SIZE, HILITE_SIZE); /* position the text */ - if (p->mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST) { + if (p->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); + + /* show/hide the right windows */ + if (row >= 0 && row < icon_rows) { + XMapWindow(obt_display, target->iconwin); + if (p->mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST) + XMapWindow(obt_display, target->textwin); + else + XUnmapWindow(obt_display, target->textwin); } - else + else { XUnmapWindow(obt_display, target->textwin); + if (p->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 = - target->client->iconic ? OB_ICONIC_ALPHA : 0xff; - p->a_icon->texture[0].data.rgba.data = icon->data; - - /* Draw the hilite? */ - p->a_icon->texture[1].type = (target == newtarget) ? - RR_TEXTURE_RGBA : RR_TEXTURE_NONE; - - /* draw the icon */ - p->a_icon->surface.parentx = iconx; - p->a_icon->surface.parenty = icony; - RrPaint(p->a_icon, target->iconwin, HILITE_SIZE, HILITE_SIZE); - - /* draw the text */ - if (p->mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST || - target == newtarget) + /* only draw if we have to */ + if (!p->mapped || + newtarget == target || p->last_target == target || + /* wasn't visible before... */ + ((row + p->scroll < last_scroll || + row + p->scroll >= last_scroll + icon_rows) && + /* ...and is visible now */ + (row >= 0 && row < icon_rows))) { - text = (target == newtarget) ? p->a_hilite_text : p->a_text; - text->texture[0].data.text.string = target->text; - text->surface.parentx = - p->mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS ? - icon_mode_textx : list_mode_textx; - text->surface.parenty = - p->mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS ? - icon_mode_texty : list_mode_texty; - RrPaint(text, - (p->mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS ? - p->icon_mode_text : target->textwin), - textw, texth); + /* 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 = + target->client->iconic ? OB_ICONIC_ALPHA : 0xff; + p->a_icon->texture[0].data.rgba.data = icon->data; + + /* Draw the hilite? */ + p->a_icon->texture[1].type = (target == newtarget) ? + RR_TEXTURE_RGBA : RR_TEXTURE_NONE; + + /* draw the icon */ + p->a_icon->surface.parentx = iconx; + p->a_icon->surface.parenty = icony; + RrPaint(p->a_icon, target->iconwin, HILITE_SIZE, HILITE_SIZE); + + /* draw the text */ + if (p->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; + text->surface.parentx = + p->mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS ? + icon_mode_textx : list_mode_textx; + text->surface.parenty = + p->mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS ? + icon_mode_texty : list_mode_texty; + RrPaint(text, + (p->mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS ? + p->icon_mode_text : target->textwin), + textw, texth); + } } } } @@ -515,6 +567,8 @@ 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, -- 2.44.0