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author | Matthias Richter <vrld@vrld.org> | 2012-05-09 21:27:45 +0200 |
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committer | Matthias Richter <vrld@vrld.org> | 2012-05-09 21:27:45 +0200 |
commit | adc78875875a64d40b4cf65a8618fb49a77e8080 (patch) | |
tree | 132bc89a60cf3bc60cf9acacdf0c31aad6df969e /button.lua | |
parent | 7b1b6e4176829d4c9d897821c8a2d51da78e0243 (diff) | |
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Mega update: Auto layout, code cleanup, api change.
Basically half a rewrite.
Diffstat (limited to 'button.lua')
-rw-r--r-- | button.lua | 44 |
1 files changed, 34 insertions, 10 deletions
@@ -23,31 +23,55 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ]]-- -local core = require((...):match("(.-)[^%.]+$") .. 'core') +local BASE = (...):match("(.-)[^%.]+$") +local core = require(BASE .. 'core') +local group = require(BASE .. 'group') +local mouse = require(BASE .. 'mouse') +local keyboard = require(BASE .. 'keyboard') -- the widget -return function(title, x,y, w,h, widgetHit, draw) +-- {text = text, pos = {x, y}, size={w, h}, widgetHit=widgetHit, draw=draw} +return function(w) + assert(type(w) == "table" and w.text, "Invalid argument") + + -- if tight fit requested, compute the size according to text size + -- have a 2px margin around the text + local tight = w.size and (w.size[1] == 'tight' or w.size[2] == 'tight') + if tight then + local f = assert(love.graphics.getFont()) + if w.size[1] == 'tight' then + w.size[1] = f:getWidth(w.text) + 4 + end + if w.size[2] == 'tight' then + w.size[2] = f:getHeight(w.text) + 4 + end + end + -- Generate unique identifier for gui state update and querying. local id = core.generateID() + -- group.getRect determines the position and size of the widget according + -- to the currently active group. Both arguments may be omitted. + local pos, size = group.getRect(w.pos, w.size) + + -- mouse.updateWidget(id, {x,y}, {w,h}, widgetHit) updates the state for this widget. + -- widgetHit may be nil, in which case mouse.widgetHit will be used. -- The widget mouse-state can be: -- hot (mouse over widget), -- active (mouse pressed on widget) or -- normal (mouse not on widget and not pressed on widget). - -- - -- core.mouse.updateState(id, widgetHit, x,y,w,h) updates the state for this widget. - core.mouse.updateState(id, widgetHit or core.style.widgetHit, x,y,w,h) + mouse.updateWidget(id, pos, size, w.widgetHit) - -- core.makeCyclable makes the item focus on tab or whatever binding is + -- keyboard.makeCyclable makes the item focus on tab or whatever binding is -- in place (see core.keyboard.cycle). Cycle order is determied by the -- order you call the widget functions. - core.makeCyclable(id) + keyboard.makeCyclable(id) -- core.registerDraw(id, drawfunction, drawfunction-arguments...) -- shows widget when core.draw() is called. - core.registerDraw(id, draw or core.style.Button, title,x,y,w,h) + core.registerDraw(id, w.draw or core.style.Button, + w.text, pos[1],pos[2], size[1],size[2]) - return core.mouse.releasedOn(id) or - (core.keyboard.key == 'return' and core.hasKeyFocus(id)) + return mouse.releasedOn(id) or (keyboard.key == 'return' and keyboard.hasFocus(id)) end |