libui/redo/unix/group.c

115 lines
2.8 KiB
C

// 11 june 2015
#include "uipriv_unix.h"
struct group {
uiGroup g;
GtkWidget *widget;
GtkContainer *container;
GtkFrame *frame;
uiControl *child;
int margined;
};
uiDefineControlType(uiGroup, uiTypeGroup, struct group)
static uintptr_t groupHandle(uiControl *c)
{
struct group *g = (struct group *) c;
return (uintptr_t) (g->widget);
}
static void groupContainerUpdateState(uiControl *c)
{
struct group *g = (struct group *) c;
if (g->child != NULL)
uiControlUpdateState(g->child);
}
static char *groupTitle(uiGroup *gg)
{
struct group *g = (struct group *) gg;
return PUT_CODE_HERE;
}
static void groupSetTitle(uiGroup *gg, const char *text)
{
struct group *g = (struct group *) gg;
PUT_CODE_HERE;
// changing the text might necessitate a change in the groupbox's size
uiControlQueueResize(uiControl(g));
}
static void groupSetChild(uiGroup *gg, uiControl *child)
{
struct group *g = (struct group *) gg;
if (g->child != NULL)
uiControlSetParent(g->child, NULL);
g->child = child;
if (g->child != NULL) {
uiControlSetParent(g->child, uiControl(g));
uiControlQueueResize(g->child);
}
}
static int groupMargined(uiGroup *gg)
{
struct group *g = (struct group *) gg;
return g->margined;
}
static void groupSetMargined(uiGroup *gg, int margined)
{
struct group *g = (struct group *) gg;
g->margined = margined;
uiControlQueueResize(uiControl(g));
}
uiGroup *uiNewGroup(const char *text)
{
struct group *g;
gfloat yalign;
GtkLabel *label;
PangoAttribute *bold;
PangoAttrList *boldlist;
g = (struct group *) uiNewControl(uiTypeGroup());
g->widget = gtk_frame_new(text);
g->container = GTK_CONTAINER(g->widget);
g->frame = GTK_FRAME(g->widget);
uiUnixMakeSingleWidgetControl(uiControl(g), g->widget);
// with GTK+, groupboxes by default have frames and slightly x-offset regular text
// they should have no frame and fully left-justified, bold text
// preserve default y-alignment
gtk_frame_get_label_align(g->frame, NULL, &yalign);
gtk_frame_set_label_align(g->frame, 0, yalign);
gtk_frame_set_shadow_type(g->frame, GTK_SHADOW_NONE);
label = GTK_LABEL(gtk_frame_get_label_widget(g->frame));
// this is the boldness level used by GtkPrintUnixDialog
// (it technically uses "bold" but see pango's pango-enum-types.c for the name conversion; GType is weird)
bold = pango_attr_weight_new(PANGO_WEIGHT_BOLD);
boldlist = pango_attr_list_new();
pango_attr_list_insert(boldlist, bold);
gtk_label_set_attributes(label, boldlist);
pango_attr_list_unref(boldlist); // thanks baedert in irc.gimp.net/#gtk+
uiControl(g)->Handle = groupHandle;
uiControl(g)->ContainerUpdateState = groupContainerUpdateState;
uiGroup(g)->Title = groupTitle;
uiGroup(g)->SetTitle = groupSetTitle;
uiGroup(g)->SetChild = groupSetChild;
uiGroup(g)->Margined = groupMargined;
uiGroup(g)->SetMargined = groupSetMargined;
return uiGroup(g);
}