static void _button_size_request(GtkWidget *widget,GtkRequisition *requisition) { g_return_if_fail (widget != NULL); g_return_if_fail (DTGTK_IS_BUTTON(widget)); g_return_if_fail (requisition != NULL); requisition->width = 17; requisition->height = 17; }
static gboolean _button_expose (GtkWidget *widget, GdkEventExpose *event) { g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (DTGTK_IS_BUTTON(widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); GtkStyle *style=gtk_widget_get_style(widget); int state = gtk_widget_get_state(widget); /* update paint flags depending of states */ int flags = DTGTK_BUTTON (widget)->icon_flags; /* set inner border */ int border = (flags&CPF_DO_NOT_USE_BORDER)?2:4; /* prelight */ if (state == GTK_STATE_PRELIGHT) flags |= CPF_PRELIGHT; else flags &=~CPF_PRELIGHT; /* create pango text settings if label exists */ PangoLayout *layout=NULL; int pw=0,ph=0; const gchar *text=gtk_button_get_label (GTK_BUTTON (widget)); if (text) { layout = gtk_widget_create_pango_layout (widget,NULL); pango_layout_set_font_description (layout,style->font_desc); pango_layout_set_text (layout,text,-1); pango_layout_get_pixel_size (layout,&pw,&ph); } /* begin cairo drawing */ cairo_t *cr; cr = gdk_cairo_create (gtk_widget_get_window(widget)); GtkAllocation allocation; gtk_widget_get_allocation(widget, &allocation); int x = allocation.x; int y = allocation.y; int width = allocation.width; int height = allocation.height; /* draw standard button background if not transparent */ if( (flags & CPF_STYLE_FLAT )) { if( state != GTK_STATE_NORMAL ) { cairo_rectangle (cr,x,y,width,height); cairo_set_source_rgba (cr, style->bg[state].red/65535.0, style->bg[state].green/65535.0, style->bg[state].blue/65535.0, 0.5); cairo_fill (cr); } } else if( !(flags & CPF_BG_TRANSPARENT) ) { /* draw default boxed button */ gtk_paint_box (gtk_widget_get_style(widget), gtk_widget_get_window(widget), gtk_widget_get_state(widget), GTK_SHADOW_OUT, NULL, widget, "button", x, y, width, height); } if (flags & CPF_IGNORE_FG_STATE) state = GTK_STATE_NORMAL; cairo_set_source_rgb (cr, style->fg[state].red/65535.0, style->fg[state].green/65535.0, style->fg[state].blue/65535.0); /* draw icon */ if (DTGTK_BUTTON (widget)->icon) { if (text) DTGTK_BUTTON (widget)->icon (cr,x+border,y+border,height-(border*2),height-(border*2),flags); else DTGTK_BUTTON (widget)->icon (cr,x+border,y+border,width-(border*2),height-(border*2),flags); } cairo_destroy (cr); /* draw label */ if (text) { int lx=x+2, ly=y+((height/2.0)-(ph/2.0)); if (DTGTK_BUTTON (widget)->icon) lx += width; GdkRectangle t= {x,y,x+width,y+height}; gtk_paint_layout(style,gtk_widget_get_window(widget), GTK_STATE_NORMAL,TRUE,&t,widget,"label",lx,ly,layout); } return FALSE; }
static gboolean _button_draw(GtkWidget *widget, cairo_t *cr) { g_return_val_if_fail(widget != NULL, FALSE); g_return_val_if_fail(DTGTK_IS_BUTTON(widget), FALSE); GtkStateFlags state = gtk_widget_get_state_flags(widget); GdkRGBA bg_color, fg_color; GtkStyleContext *context = gtk_widget_get_style_context(widget); gtk_style_context_get_background_color(context, state, &bg_color); gtk_style_context_get_color(context, state, &fg_color); /* update paint flags depending of states */ int flags = DTGTK_BUTTON(widget)->icon_flags; /* set inner border */ int border = DT_PIXEL_APPLY_DPI((flags & CPF_DO_NOT_USE_BORDER) ? 2 : 6); /* prelight */ if(state & GTK_STATE_FLAG_PRELIGHT) flags |= CPF_PRELIGHT; else flags &= ~CPF_PRELIGHT; /* create pango text settings if label exists */ PangoLayout *layout = NULL; int pw = 0, ph = 0; const gchar *text = gtk_button_get_label(GTK_BUTTON(widget)); if(text) { layout = gtk_widget_create_pango_layout(widget, NULL); pango_layout_set_font_description(layout, darktable.bauhaus->pango_font_desc); pango_cairo_context_set_resolution(pango_layout_get_context(layout), darktable.gui->dpi); pango_layout_set_text(layout, text, -1); pango_layout_get_pixel_size(layout, &pw, &ph); } /* begin cairo drawing */ GtkAllocation allocation; gtk_widget_get_allocation(widget, &allocation); int width = allocation.width; int height = allocation.height; /* draw standard button background if not transparent */ if((flags & CPF_STYLE_FLAT)) { if(flags & CPF_PRELIGHT) { cairo_rectangle(cr, 0, 0, width, height); gdk_cairo_set_source_rgba(cr, &bg_color); cairo_fill(cr); } } else if(!(flags & CPF_BG_TRANSPARENT)) { /* draw default boxed button */ gtk_render_background(context, cr, 0, 0, width, height); if(!(flags & CPF_DO_NOT_USE_BORDER)) gtk_render_frame(context, cr, 0, 0, width, height); } gdk_cairo_set_source_rgba(cr, &fg_color); /* draw icon */ if(DTGTK_BUTTON(widget)->icon) { int icon_width = text ? height - (border * 2) : width - (border * 2); int icon_height = height - (border * 2); if(icon_width > 0 && icon_height > 0) { if(text) DTGTK_BUTTON(widget) ->icon(cr, border, border, height - (border * 2), height - (border * 2), flags); else DTGTK_BUTTON(widget) ->icon(cr, border, border, width - (border * 2), height - (border * 2), flags); } } /* draw label */ if(text) { int lx = DT_PIXEL_APPLY_DPI(2), ly = ((height / 2.0) - (ph / 2.0)); if(DTGTK_BUTTON(widget)->icon) lx += width; cairo_move_to(cr, lx, ly); cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 0.5); pango_cairo_show_layout(cr, layout); g_object_unref(layout); } return FALSE; }