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rofi/source/widgets/widget.c

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#include <glib.h>
#include "widgets/widget.h"
#include "widgets/widget-internal.h"
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#include "theme.h"
void widget_init ( widget *widget , const char *name )
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{
widget->name = g_strdup(name);
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widget->padding = (Padding){ {0, PW_PX, SOLID}, {0, PW_PX, SOLID}, {0, PW_PX, SOLID}, {0, PW_PX, SOLID}};
widget->border = (Padding){ {0, PW_PX, SOLID}, {0, PW_PX, SOLID}, {0, PW_PX, SOLID}, {0, PW_PX, SOLID}};
widget->margin = (Padding){ {0, PW_PX, SOLID}, {0, PW_PX, SOLID}, {0, PW_PX, SOLID}, {0, PW_PX, SOLID}};
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widget->padding = rofi_theme_get_padding ( widget, "padding", widget->padding);
widget->border = rofi_theme_get_padding ( widget, "border", widget->border);
widget->margin = rofi_theme_get_padding ( widget, "margin", widget->margin);
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}
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void widget_set_state ( widget *widget, const char *state )
{
if ( g_strcmp0(widget->state, state ) ){
widget->state = state;
// Update border.
widget->border = rofi_theme_get_padding ( widget, "border", widget->border);
widget_queue_redraw ( widget );
}
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}
int widget_intersect ( const widget *widget, int x, int y )
{
if ( widget == NULL ) {
return FALSE;
}
if ( x >= ( widget->x ) && x < ( widget->x + widget->w ) ) {
if ( y >= ( widget->y ) && y < ( widget->y + widget->h ) ) {
return TRUE;
}
}
return FALSE;
}
void widget_resize ( widget *widget, short w, short h )
{
if ( widget != NULL ) {
if ( widget->resize != NULL ) {
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if ( widget->w != w || widget->h != h ) {
widget->resize ( widget, w, h );
}
}
else {
widget->w = w;
widget->h = h;
}
// On a resize we always want to udpate.
widget_queue_redraw ( widget );
}
}
void widget_move ( widget *widget, short x, short y )
{
if ( widget != NULL ) {
widget->x = x;
widget->y = y;
}
}
gboolean widget_enabled ( widget *widget )
{
if ( widget != NULL ) {
return widget->enabled;
}
return FALSE;
}
void widget_enable ( widget *widget )
{
if ( widget && !widget->enabled ) {
widget->enabled = TRUE;
widget_update ( widget );
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widget_update ( widget->parent );
}
}
void widget_disable ( widget *widget )
{
if ( widget && widget->enabled ) {
widget->enabled = FALSE;
widget_update ( widget );
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widget_update ( widget->parent );
}
}
void widget_draw ( widget *widget, cairo_t *d )
{
// Check if enabled and if draw is implemented.
if ( widget && widget->enabled && widget->draw ) {
// Don't draw if there is no space.
if ( widget->h < 1 || widget->w < 1 ){
widget->need_redraw = FALSE;
return;
}
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// Store current state.
cairo_save ( d );
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int margin_left = distance_get_pixel ( widget->margin.left, ORIENTATION_HORIZONTAL );
int margin_top = distance_get_pixel ( widget->margin.top, ORIENTATION_HORIZONTAL );
int margin_right = distance_get_pixel ( widget->margin.right, ORIENTATION_VERTICAL );
int margin_bottom = distance_get_pixel ( widget->margin.bottom, ORIENTATION_VERTICAL );
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// Define a clipmask so we won't draw outside out widget.
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cairo_rectangle ( d,
widget->x+margin_left,
widget->y+margin_top,
widget->w-margin_right-margin_left,
widget->h-margin_top-margin_bottom
);
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cairo_clip ( d );
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rofi_theme_get_color ( widget, "background", d );
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cairo_paint( d ) ;
// Set new x/y possition.
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cairo_translate ( d, widget->x, widget->y);
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int left = distance_get_pixel ( widget->border.left, ORIENTATION_HORIZONTAL );
int top = distance_get_pixel ( widget->border.top, ORIENTATION_HORIZONTAL );
int right = distance_get_pixel ( widget->border.right, ORIENTATION_VERTICAL );
int bottom = distance_get_pixel ( widget->border.bottom, ORIENTATION_VERTICAL );
if ( left || top || right || bottom ) {
cairo_save ( d );
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rofi_theme_get_color ( widget, "foreground", d );
if ( left > 0 ) {
cairo_set_line_width ( d, left );
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distance_get_linestyle ( widget->border.left, d);
cairo_move_to ( d, margin_left + left/2.0, margin_top );
cairo_line_to ( d, margin_left + left/2.0, widget->h-margin_bottom);
cairo_stroke ( d );
}
if ( right > 0 ) {
cairo_set_line_width ( d, right );
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distance_get_linestyle ( widget->border.right, d);
cairo_move_to ( d, widget->w - margin_right - right/2.0, 0 );
cairo_line_to ( d, widget->w - margin_right - right/2.0, widget->h-margin_bottom );
cairo_stroke ( d );
}
if ( top > 0 ) {
cairo_set_line_width ( d, top );
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distance_get_linestyle ( widget->border.top, d);
cairo_move_to ( d, margin_left,margin_top+ top/2.0 );
cairo_line_to ( d, widget->w-margin_right, margin_top+top/2.0 );
cairo_stroke ( d );
}
if ( bottom > 0 ) {
cairo_set_line_width ( d, bottom );
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distance_get_linestyle ( widget->border.bottom, d);
cairo_move_to ( d, margin_left, widget->h-bottom/2.0-margin_bottom);
cairo_line_to ( d, widget->w-margin_right, widget->h-bottom/2.0-margin_bottom);
cairo_stroke ( d );
}
cairo_restore (d);
}
widget->draw ( widget, d );
widget->need_redraw = FALSE;
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cairo_restore ( d );
}
}
void widget_free ( widget *wid )
{
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if ( wid ) {
if ( wid->name ) {
g_free ( wid->name );
}
if ( wid->free ) {
wid->free ( wid );
}
}
}
int widget_get_height ( widget *widget )
{
if ( widget ) {
if ( widget->get_height ) {
return widget->get_height ( widget );
}
return widget->h;
}
return 0;
}
int widget_get_width ( widget *widget )
{
if ( widget ) {
if ( widget->get_width ) {
return widget->get_width ( widget );
}
return widget->w;
}
return 0;
}
int widget_get_x_pos ( widget *widget )
{
if ( widget ) {
return widget->x;
}
return 0;
}
int widget_get_y_pos ( widget *widget )
{
if ( widget ) {
return widget->y;
}
return 0;
}
void widget_update ( widget *widget )
{
// When (desired )size of widget changes.
if ( widget ) {
if ( widget->update ) {
widget->update ( widget );
}
}
}
void widget_queue_redraw ( widget *wid )
{
if ( wid ) {
widget *iter = wid;
// Find toplevel widget.
while ( iter->parent != NULL ) {
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iter->need_redraw = TRUE;
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iter = iter->parent;
}
iter->need_redraw = TRUE;
}
}
gboolean widget_need_redraw ( widget *wid )
{
if ( wid && wid->enabled ) {
return wid->need_redraw;
}
return FALSE;
}
gboolean widget_clicked ( widget *wid, xcb_button_press_event_t *xbe )
{
if ( wid && wid->clicked ) {
return wid->clicked ( wid, xbe, wid->clicked_cb_data );
}
return FALSE;
}
void widget_set_clicked_handler ( widget *wid, widget_clicked_cb cb, void *udata )
{
if ( wid ) {
wid->clicked = cb;
wid->clicked_cb_data = udata;
}
}
gboolean widget_motion_notify ( widget *wid, xcb_motion_notify_event_t *xme )
{
if ( wid && wid->motion_notify ) {
wid->motion_notify ( wid, xme );
}
return FALSE;
}
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void widget_set_name ( widget *wid, const char *name )
{
if ( wid->name ) {
g_free(wid);
}
wid->name = g_strdup ( name );
}
int widget_padding_get_left ( const widget *wid )
{
int distance = distance_get_pixel ( wid->padding.left, ORIENTATION_HORIZONTAL );
distance += distance_get_pixel ( wid->border.left, ORIENTATION_HORIZONTAL );
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distance += distance_get_pixel ( wid->margin.left, ORIENTATION_HORIZONTAL );
return distance;
}
int widget_padding_get_right ( const widget *wid )
{
int distance = distance_get_pixel ( wid->padding.right, ORIENTATION_HORIZONTAL );
distance += distance_get_pixel ( wid->border.right, ORIENTATION_HORIZONTAL );
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distance += distance_get_pixel ( wid->margin.right, ORIENTATION_HORIZONTAL );
return distance;
}
int widget_padding_get_top ( const widget *wid )
{
int distance = distance_get_pixel ( wid->padding.top, ORIENTATION_VERTICAL );
distance += distance_get_pixel ( wid->border.top, ORIENTATION_VERTICAL );
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distance += distance_get_pixel ( wid->margin.top, ORIENTATION_VERTICAL );
return distance;
}
int widget_padding_get_bottom ( const widget *wid )
{
int distance = distance_get_pixel ( wid->padding.bottom, ORIENTATION_VERTICAL );
distance += distance_get_pixel ( wid->border.bottom, ORIENTATION_VERTICAL );
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distance += distance_get_pixel ( wid->margin.bottom, ORIENTATION_VERTICAL );
return distance;
}
int widget_padding_get_remaining_width ( const widget *wid )
{
int width = wid->w;
width -= widget_padding_get_left ( wid );
width -= widget_padding_get_right ( wid );
return width;
}
int widget_padding_get_remaining_height ( const widget *wid )
{
int height = wid->h;
height -= widget_padding_get_top ( wid );
height -= widget_padding_get_bottom ( wid );
return height;
}
int widget_padding_get_padding_height ( const widget *wid )
{
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int height = 0;
height += widget_padding_get_top ( wid );
height += widget_padding_get_bottom ( wid );
return height;
}
int widget_padding_get_padding_width ( const widget *wid )
{
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int width = 0;
width += widget_padding_get_left ( wid );
width += widget_padding_get_right ( wid );
return width;
}
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int widget_get_desired_height ( widget *wid )
{
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if ( wid && wid->get_desired_height )
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{
return wid->get_desired_height ( wid );
}
return 0;
}