gergely/gnome-water-reminder
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Make it possible to style the WaterLevel widget as a bottle

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That holds the “remaining” value now.
This commit is contained in:
Gergely Polonkai 2018-07-27 20:13:00 +02:00
parent 8ddaa8c5a2
commit 5260efb552
3 changed files with 95 additions and 22 deletions
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75
src/gwr-water-level.c
View File

@ -1,9 +1,11 @@
#include "gwr-water-level.h"
#include "gwr-enums.h"
struct _GwrWaterLevel {
GtkWidget parent_instance;
gfloat level;
GwrWaterLevelStyle style;
};
/**
@ -16,6 +18,7 @@ G_DEFINE_TYPE(GwrWaterLevel, gwr_water_level, GTK_TYPE_WIDGET)
enum {
PROP_0,
PROP_LEVEL,
PROP_STYLE,
N_PROPS
};
@ -61,6 +64,25 @@ gwr_water_level_get_level(GwrWaterLevel *self)
return self->level;
}
void
gwr_water_level_set_style(GwrWaterLevel *self,
GwrWaterLevelStyle style)
{
g_debug("Setting style to %d", style);
self->style = style;
gtk_widget_queue_draw(GTK_WIDGET(self));
g_object_notify_by_pspec(G_OBJECT(self), props[PROP_LEVEL]);
}
GwrWaterLevelStyle
gwr_water_level_get_style(GwrWaterLevel *self)
{
return self->style;
}
static gboolean
gwr_water_level_draw(GtkWidget *widget, cairo_t *cr)
{
@ -69,25 +91,51 @@ gwr_water_level_draw(GtkWidget *widget, cairo_t *cr)
gint width = gtk_widget_get_allocated_width(widget);
gint height = gtk_widget_get_allocated_height(widget);
GdkRGBA color;
gint left, right;
gint left, right, center;
gfloat level_y;
gtk_render_background(context, cr, 0, 0, width, height);
gtk_render_frame(context, cr, 0, 0, width, height);
left = right = width / 2.0;
center = left = right = width / 2.0;
left -= 3.0 * height / 8.0;
right += 3.0 * height / 8.0;
width = right - left;
cairo_save(cr);
gfloat top_y = width * 0.1;
gint bottom_y = height - (width * 0.1);
cairo_save(cr);
switch (self->style) {
case GWR_WATER_LEVEL_STYLE_BOTTLE:
{
gfloat left_x = left + (width * 0.2);
gfloat right_x = right - (width * 0.2);
cairo_move_to(cr, left_x, bottom_y);
cairo_line_to(cr, right_x, bottom_y);
cairo_line_to(cr, right_x, top_y + (width * 0.2));
cairo_line_to(cr, center + (width * 0.1), top_y + (width * 0.1));
cairo_line_to(cr, center + (width * 0.1), top_y);
cairo_line_to(cr, center - (width * 0.1), top_y);
cairo_line_to(cr, center - (width * 0.1), top_y + (width * 0.1));
cairo_line_to(cr, left_x, top_y + (width * 0.2));
cairo_close_path(cr);
cairo_stroke(cr);
top_y = top_y + (width * 0.2);
level_y = top_y + (bottom_y - top_y) * (1.0 - self->level);
cairo_rectangle(cr, left_x, level_y, right_x - left_x, bottom_y - level_y);
}
break;
default:
{
gint top_left_x = left + (width * 0.1);
gint top_y = width * 0.1;
gint top_right_x = right - (width * 0.1);
gint bottom_right_x = right - (width * 0.2);
gint bottom_y = height - (width * 0.1);
gint bottom_left_x = left + (width * 0.2);
float level_y = top_y + (bottom_y - top_y) * (1.0 - self->level);
level_y = top_y + (bottom_y - top_y) * (1.0 - self->level);
cairo_move_to(cr, top_left_x, top_y);
cairo_line_to(cr, top_right_x, top_y);
@ -101,6 +149,9 @@ gwr_water_level_draw(GtkWidget *widget, cairo_t *cr)
cairo_line_to(cr, bottom_left_x - ((top_right_x - bottom_right_x) * self->level), level_y);
cairo_line_to(cr, bottom_right_x + ((top_right_x - bottom_right_x) * self->level), level_y);
cairo_close_path(cr);
}
break;
}
cairo_restore(cr);
gtk_style_context_get_color(context, gtk_style_context_get_state(context), &color);
@ -163,6 +214,10 @@ gwr_water_level_set_property(GObject *gobject,
case PROP_LEVEL:
gwr_water_level_set_level(GWR_WATER_LEVEL(gobject), g_value_get_float(value));
break;
case PROP_STYLE:
gwr_water_level_set_style(GWR_WATER_LEVEL(gobject), g_value_get_enum(value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(gobject, prop_id, pspec);
@ -181,6 +236,10 @@ gwr_water_level_get_property(GObject *gobject,
case PROP_LEVEL:
g_value_set_float(value, gwr_water_level_get_level(GWR_WATER_LEVEL(gobject)));
break;
case PROP_STYLE:
g_value_set_enum(value, gwr_water_level_get_style(GWR_WATER_LEVEL(gobject)));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(gobject, prop_id, pspec);
@ -208,6 +267,10 @@ gwr_water_level_class_init(GwrWaterLevelClass *klass)
"level", "level", "The current water level",
0.0, 1.0, 0.0,
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE);
props[PROP_STYLE] = g_param_spec_enum(
"style", "style", "The style of the water level",
GWR_TYPE_WATER_LEVEL_STYLE, GWR_WATER_LEVEL_STYLE_GLASS,
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE);
g_object_class_install_properties(gobject_class, N_PROPS, props);
}

8
src/gwr-water-level.h
View File

@ -5,12 +5,20 @@
G_BEGIN_DECLS
typedef enum {
GWR_WATER_LEVEL_STYLE_GLASS,
GWR_WATER_LEVEL_STYLE_BOTTLE
} GwrWaterLevelStyle;
# define GWR_TYPE_WATER_LEVEL (gwr_water_level_get_type())
G_DECLARE_FINAL_TYPE(GwrWaterLevel, gwr_water_level, GWR, WATER_LEVEL, GtkWidget)
void gwr_water_level_set_level(GwrWaterLevel *water_level,
gfloat level);
gfloat gwr_water_level_get_level(GwrWaterLevel *water_level);
void gwr_water_level_set_style(GwrWaterLevel *water_level,
GwrWaterLevelStyle style);
GwrWaterLevelStyle gwr_water_level_get_style(GwrWaterLevel *water_level);
G_END_DECLS

4
src/meson.build
View File

@ -5,12 +5,14 @@ gwr_sources = [
'gwr-water-level.c',
]
gwr_enums = gnome.mkenums_simple('gwr-enums', sources: 'gwr-water-level.h')
gwr_deps = [
dependency('gio-2.0', version: '>= 2.50'),
dependency('gtk+-3.0', version: '>= 3.22'),
]
executable('gnome-water-reminder', gwr_sources,
executable('gnome-water-reminder', gwr_sources, gwr_enums,
dependencies: gwr_deps,
install: true,
)